Alexa Chung may have looked every inch the fashion princess in a couture ballgown last night, but it didn't stop her from scaring her neighbours.
But why on earth would this stunning Valentino floral maxi dress offend anyone? It might be what Ms Chung got up to in it...
Sharing the above photo with her 1.9m Instagram followers, Chung wrote: "Diamonds are forever (or just for tonight) @bulgariofficial #foreverome dress by @maisonValentino
"Ps. I walked around the halls of my apt building pretending to be a ghost for a good 15 minutes before I left which was as creepy as it was under appreciated."
As you do...
The 31-year-old model attended the Bulgari Eternal Inspiration Opening Night at their Fifth Avenue flagship store in New York on Wednesday evening.
The luxury brand, who are famed for their high-end jewellery, lent Chung her stunning diamond earrings and hair clip for the occasion.
At least she made a very well dressed ghost.
SEE ALSO:
Alexa Chung Joins The Campaign For More Diversity In Fashion
Alexa Chung Proves She's Not Perfect (And We Love Her For It)
Alexa Chung's Style Evolution
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September 2013(64 of82)
LONDON, ENGLAND - SEPTEMBER 14: Alexa Chung attends the grand opening party of Longchamp Regent Streetat Longchamp on September 14, 2013 in London, England. (Photo by Ferdaus Shamim/WireImage) (credit:Ferdaus Shamim via Getty Images)
September 2013(65 of82)
LONDON, ENGLAND - SEPTEMBER 04: Alexa Chung attends the launch of Alexa Chung's first book 'It' at Liberty on September 4, 2013 in London, England. (Photo by David M. Benett/Getty Images) (credit:David M. Benett via Getty Images)
September 2013(66 of82)
LONDON, ENGLAND - SEPTEMBER 15: Alexa Chung arrives at Mulberry Spring/Summer 2014 show during London Fashion Week at Claridges Hotel on September 15, 2013 in London, England. (Photo by David M. Benett/Getty Images for Mulberry) (credit:David M. Benett via Getty Images)
January 2014(67 of82)
BEVERLY HILLS, CA - JANUARY 12: Alexa Chung arrives at the 2014 InStyle And Warner Bros. 71st Annual Golden Globe Awards Post-Party at The Beverly Hilton Hotel on January 12, 2014 in Beverly Hills, California. (Photo by Axelle/Bauer-Griffin/FilmMagic) (credit:Axelle/Bauer-Griffin via Getty Images)
June 2014(68 of82)
LONDON, ENGLAND - JUNE 04: Alexa Chung attends the Royal Academy Summer Exhibition Preview Party at the Royal Academy of Arts on June 4, 2014 in London, England. (Photo by Karwai Tang/WireImage) (credit:Karwai Tang via Getty Images)
September 2014(69 of82)
NEW YORK, NY - SEPTEMBER 08: Alexa Chung poses backstage at Tommy Hilfiger Women's fashion show during Mercedes-Benz Fashion Week Spring 2015 at Park Avenue Armory on September 8, 2014 in New York City. (Photo by Neilson Barnard/Getty Images for Tommy Hilfiger) (credit:Neilson Barnard via Getty Images)
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NEW YORK, NY - SEPTEMBER 03: Alexa Chung is seen on September 3, 2014 in New York City. (Photo by NCP/Star Max/GC Images) (credit:NCP/Star Max via Getty Images)
September 2014(71 of82)
LONDON, ENGLAND - SEPTEMBER 14: Alexa Chung arrives at the Topshop Unique SS15 show on September 14, 2014 in London, England. (Photo by David M. Benett/Getty Images for Topshop) (credit:David M. Benett via Getty Images)
November 2014(72 of82)
NEW YORK, NY - NOVEMBER 03: Alexa Chung attends The 11th Annual CFDA/Vogue Fashion Fund Awards at Spring Studios on November 3, 2014 in New York City. (Photo by Gary Gershoff/WireImage) (credit:Gary Gershoff via Getty Images)
December 2014(73 of82)
LONDON, ENGLAND - DECEMBER 01: Alexa Chung attends the British Fashion Awards at London Coliseum on December 1, 2014 in London, England. (Photo by Mike Marsland/WireImage) (credit:Mike Marsland via Getty Images)
January 2015(74 of82)
BEVERLY HILLS, CA - JANUARY 22: Alexa Chung arrives at the Alexa Chung X AG Collection Los Angeles Launch Party on January 22, 2015 in Beverly Hills, California. (Photo by Jon Kopaloff/FilmMagic) (credit:Jon Kopaloff via Getty Images)
February 2015(75 of82)
HOLLYWOOD, CA - FEBRUARY 05: Alexa Chung arrives at Louis Vuitton 'Series 2' The Exhibition on February 5, 2015 in Hollywood, California. (Photo by Jon Kopaloff/FilmMagic) (credit:Jon Kopaloff via Getty Images)
February 2015(76 of82)
LONDON, UNITED KINGDOM - FEBRUARY 24: Alexa Chung attends the Elle Style Awards 2015 at Sky Garden @ The Walkie Talkie Tower on February 24, 2015 in London, England. (Photo by Darren Gerrish/WireImage) (credit:Darren Gerrish via Getty Images)
February 2015(77 of82)
LONDON, ENGLAND - FEBRUARY 21: Alexa Chung attends the House of Holland show during London Fashion Week Fall/Winter 2015/16 on February 21, 2015 in London, England. (Photo by Eamonn M. McCormack/Getty Images) (credit:Eamonn M. McCormack via Getty Images)
March 2015(78 of82)
NEW YORK, NY - MARCH 31: Alexa Chung attends the CHANEL Paris-Salzburg 2014/15 Metiers d'Art Collection at Park Avenue Armory on March 31, 2015 in New York City. (Photo by Dimitrios Kambouris/Getty Images) (credit:Dimitrios Kambouris via Getty Images)
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LONDON, ENGLAND - APRIL 25: Alexa Chng leaves Vogue Festival on April 25, 2015 in London, England. (Photo by Keith Hewitt/GC Images) (credit:Keith Hewitt via Getty Images)
May 2015(80 of82)
NEW YORK, NY - MAY 04: Alexa Chung attends the 'China: Through The Looking Glass' Costume Institute Benefit Gala at Metropolitan Museum of Art on May 4, 2015 in New York City. (Photo by Karwai Tang/WireImage) (credit:Karwai Tang via Getty Images)
May 2015(81 of82)
NEW YORK, NY - MAY 14: Alexa Chung attends as Piaget celebrates the new Possession collection on May 14, 2015 at The NoMad Hotel in New York City. (Photo by Andrew Toth/Getty Images for Piaget) (credit:Andrew Toth via Getty Images)
July 2015(82 of82)
LONDON, ENGLAND - JULY 2: Alexa Chung arrives at The Serpentine Gallery summer party at The Serpentine Gallery on July 2, 2015 in London, England.(Photo by Julian Parker/UK Press via Getty Images) (credit:Julian Parker via Getty Images)