MTV Europe Music Awards host Heidi Klum dared to bare, Rita Ora swapped her streetwear for old school glamour and Carly Rae Jepson looked all grown up.
Find out who rocked and who shocked on the red carpet of this year's MTV Music Awards...
MTV EMA's 2012
MTV EMA's 2012 - Red Carpet Arrivals(01 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Kim Kardashian attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(02 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: (L-R) Drummer Adrian Young, Bassist Tony Kanal, singer Gwen Stefani and guitarist Tom Dumont of No Doubt attend the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(03 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Holly Hagan, Vicky Pattison, Ricci Guarnaccio, Charlotte-Letitia Crosby, Gaz Beadle, James Tindale, Scott Timlin and Sophie Kasaei of Geordie Shore attend the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(04 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: (L-R) Drummer Adrian Young, Bassist Tony Kanal, singer Gwen Stefani and guitarist Tom Dumont of No Doubt attend the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(05 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Anne V (Anne Vyalitsyna) attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Tim Whitby/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(06 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Anne V (Anne Vyalitsyna) attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(07 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Psy attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(08 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Kim Kardashian attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(09 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: David Hasselhoff attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(10 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Pixie Geldof attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(11 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Pixie Geldof attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(12 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Psy attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(13 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Isabeli Fontana attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(14 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Carly Rae Jepsen attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(15 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Singer Alicia Keys attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(16 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Jedward attend the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(17 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Jedward attend the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(18 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Carly Rae Jepsen attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(19 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Kim Kardashian attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Tim Whitby/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(20 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Singer Alicia Keys attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(21 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Jedward attend the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(22 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Rita Ora attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV Europe Music Awards - Frankfurt(23 of78)
David Hasselhoff arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(24 of78)
Pixie Geldof arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(25 of78)
(Left tio right) Jack Antonoff, Andrew Dost and Nate Ruess of Fun arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
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David Hasselhoff arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
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Kim Kardashian arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
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Sophie Kasaei arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
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Holly Hagan arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
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Kim Kardashian arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
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Kim Kardashian arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(32 of78)
Kim Kardashian arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(33 of78)
Isabeli Fontana arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(34 of78)
Carly Rae Jepson arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(35 of78)
Isabeli Fontana arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(36 of78)
Anne V arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(37 of78)
Ludacris arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(38 of78)
Anne V arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(39 of78)
(Left to right) Christopher Wolstenholme, Dominic Howard and Matthew Bellamy of Muse arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(40 of78)
(Left to right) Adrian Young, Tony Kanal, Gwen Stefani and Tom Dumont of No Doubt arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(41 of78)
The Party Brothers arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(42 of78)
John and Edward Grimes of Jedward arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(43 of78)
Kim Kardashian arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
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Kim Kardashian arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(45 of78)
Kim Kardashian arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV EMA's 2012 - Red Carpet Arrivals(46 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Rita Ora attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(47 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Viva host, Romina attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV Europe Music Awards - Frankfurt(48 of78)
Lana Del Rey arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(49 of78)
Alan Carr arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
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Isabeli Fontana arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
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Carly Rae Jepson arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
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Carly Rae Jepson arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
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Isabeli Fontana arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
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Anne V arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(55 of78)
Anne V arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(56 of78)
Ludacris arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(57 of78)
Rita Ora arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(58 of78)
Rita Ora arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(59 of78)
Lena arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(60 of78)
Conor Maynard arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(61 of78)
Taylor Swift arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(62 of78)
Romina arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(63 of78)
Lana Del Rey and boyfriend James O'Neil arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(64 of78)
Lana Del Rey arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(65 of78)
Heidi Klum arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
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Alicia Keys arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV Europe Music Awards - Frankfurt(67 of78)
Heidi Klum arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
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Heidi Klum arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)
MTV EMA's 2012 - Red Carpet Arrivals(69 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Senna Guemmour attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(70 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Presenter Louise Roe attends the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Tim Whitby/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(71 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: (L-R)Tim Kash, Louise Roe and Sway attend the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(72 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: The Jabs attend the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(73 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: A general view of the red carpet ahead of the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(74 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: A general view of the red carpet ahead of the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(75 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: A general view of the red carpet ahead of the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(76 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: Louise Roe and Sway attend the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV EMA's 2012 - Red Carpet Arrivals(77 of78)
FRANKFURT AM MAIN, GERMANY - NOVEMBER 11: A general view of the red carpet ahead of the MTV EMA's 2012 at Festhalle Frankfurt on November 11, 2012 in Frankfurt am Main, Germany. (Photo by Ian Gavan/Getty Images for MTV) (credit:Getty Images)
MTV Europe Music Awards - Frankfurt(78 of78)
Conor Maynard arriving for the 2012 MTV Europe Music Awards at the Festhalle Frankfurt, Germany. (credit:PA)