A whole host of celebrities showed off their Taylor Swift impressed in a gorgeous J.Mendel number.
Take a look below to see what the stars wore. Who was the best and worst dressed? Leave a comment below.
People's Choice Awards 2011
The singer dazzled as always, this time in a Betsey Johnson prom dress teamed with satin peep-toe pumps.
The Kardashian sisters went colour co-ordinated in grey and white.
The TV host sparkled in a beaded, 50s style dress and a pair of Pigalle Louboutins.
Mum-to-be Natalie presented an award with Ashton Kutcher. She disguised her baby bump in a Jason Wu dress.
This delicate J.Mendel dress teamed with a chic updo and cherry red lips could be one of Swift's best red carpet looks yet.
Twilight star Kristen wore a Reem Acra mini dress to receive the award for favourite movie actress.
Roberts looked stunning in this ruffled Christian Dior number.
The Gossip Girl was spotted backstage in a pretty Vionnet dress teamed with purple Brian Atwood pumps.
The Disney actress looked super chic in this pink mini by Paul Ka and Trésor earrings.
Aniston presented an award in a Dolce & Gabbana suit.
People's Choice Awards 2011 - Red Carpet
People's Choice Awards 2011 - Red Carpet
People's Choice Awards 2011 - Red Carpet
People's Choice Awards 2011 - Red Carpet
People's Choice Awards 2011 - Red Carpet
People's Choice Awards 2011 - Red Carpet
People's Choice Awards 2011 - Red Carpet
People's Choice Awards 2011 - Red Carpet
People's Choice Awards 2011 - Red Carpet