Christina Aguilera has apparently toned down her red-carpet wear now that she's a mom. She kept it simple and classy in this gown.

Alicia Keys pauses for the cameras in her navy blue gown at the 2008 American Music Awards. Keys took home two awards and was nominated in five categories.

Rihanna shows a lot of leg in this ruffled outfit. Kinda looks like she rolled around in a table cloth before hitting the red carpet.

Birthday girl Miley Cyrus and family pause for a photo on the red carpet. That should definitely make the Sweet 16 scrapbook.

Award show or vampire convention? Nikki Sixx and tattoo artist Kat Von D bring a little murky rock and roll to the American Music Awards.

Motley Crue front man Vince Neil and wife Lia Gherardini rock the red carpet at the 2008 AMAs. We know why he's smiling!

Natasha Bedingfield is all smiles for the cameras. Strangely, her outfit had the exact opposite effect for us.

The gentlemanly Ne-Yo looks as dapper as ever as he pauses for a photo at the 2008 American Music Awards.

We're glad Sarah Silverman got dressed up for the party. We guess she was just out showing support for on-again, off-again boyfriend Jimmy Kimmel, who hosted the festivities.

The New Kids on the Block (Danny Wood, Jordan Knight, Donnie Wahlberg, Jonathan Knight and Joey McIntyre) may not be so new, but they still landed a performance gig on the big stage.

Host Jimmy Kimmel kicks off the evening with a few jokes. The Jonas Brothers just can't catch a break at award shows these days.

Christina Aguilera belts out high note in her six-song medley of hits (including her latest) that opened the show.

Presenters Paris Hilton and T-Pain may not have taken home any gold, but based on their outfits, did they really need any?

Pink dons some evening wear for her performance of new single "Sober." Ironically, former Stone Temple Pilots front man Scott Weiland appeared to be anything but when he introduced her.

Beyonce Knowles performs does her thing during her performance of "Single Ladies (Put a Ring on It)."

The Jonas Brothers got all dressed up just to let loose during their rockin' performance at the American Music Awards.

Queen Latifah, Kathleen Battle and Alicia Keys joined forces for a performance at the 2008 American Music Awards.

Coldplay's Chris Martin battles the confetti during his band's performance at the American Music Awards.

Mariah Carey poses with her Award of Special Recognition alongside husband Nick Cannon. Carey also took home the Favorite Soul/Rhythm & Blues Album.

Country cutie Taylor Swift poses with her award for Favorite Country Female Artist. Who needs Joe Jonas?

Season 6 American Idol winner Jordin Sparks poses with her award for Favorite Adult Contemporary Artist.

Chris Daughtry and bandmates pose with the Favorite Pop/Rock Band, Group or Duo award. Or maybe he's trying to melt it with his mind?