American Music Awards 2012 Fashion: Best and Worst Dressed Red Carpet Photos

LOS ANGELES – It was a star-studded affair at the 2012 American Music Awards held Sunday night at Nokia Theatre L.A. Live in Los Angeles.

Among those standing out for their red carpet fashion were Christina Aguilera, Carrie Underwood, Taylor Swift, Kelly Rowland, Elisha Cuthbert, Justin Bieber, Stacy Keibler, Heidi Klum, Carly Rae Jepsen and Chris Brown.

Topping the worst dressed list by most style critics were Ke$ha and Nicki Minaj.

Justin Bieber dominated this year's American Music Awards, winning three trophies, including the night's biggest honor - artist of the year. Nicky Minaj repeated her AMAs wins from last year as she picked up trophies for favorite rap/hip-hop artist and album for "Pink Friday: Roman Reloaded." Also victorious was Taylor Swift, who won her fifth consecutive award for favorite country female artist.

View: American Music Awards 2012 Fashion: Best and Worst Dressed Red Carpet Photos