Shailene Woodley is all gorgeous in this Christian Siriano gray pleated dress on the red carpet of the 2008 American Music Awards at the Nokia Theatre on Sunday evening in Los Angeles.

The 17-year-old star of The Secret Life of the American Teenager partnered up with David Archuleta to present Brad Paisley with the Favorite Male Country Artist Award at yesterday’s event.

Shailene was recently featured as one of Entertainment Weekly’s Breakout Stars of 2008 next to David Cook, Robert Pattinson and Demi Lovato, among others. She shared with the magazine about her ABC Family hit show, “I think teens respond, honestly, to the fact sex is mentioned.”

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The Jonas Brothers ham it up backstage at the 2008 American Music Awards at the Nokia Theatre in Los Angeles on Sunday night.

Nick, Joe and Kevin took home the T-Mobile Breakthrough Artist Award (presented by Ashley Tisdale) thanks to thousands of votes from the fans. The trio were up against Paramore, Flo Rida, Colbie Caillat, and The-Dream. Congrats to the JoBros!

During their performance of “Tonight”, Joe and Kevin both sported Dior suits while Nick went for YSL pants and Band of Outsiders jacket and tie. Check it out below:

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Taylor Swift is one Fearless favorite as she places a victorious kiss to her crystal clear trophy at the 2008 American Music Awards on Sunday night in Los Angeles.

“I guess I saw my name on the ballot, but never really thought I had a chance at winning,” Taylor said of her big AMA win. “This has been the best week of my life! The reason that I won this award is all of my friends on MySpace and all of the fan sites. I love them all!”

The 18-year-old songbird beat out country music queen Reba McEntire and American Idol Carrie Underwood for the honor. Taylor also performed “White Horse” off of her #1 sophomore album. Congrats Taylor!

Check out her heart wrenching performance below:

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Miley Cyrus snuggles up close to BFF Ashley Tisdale and mom Tish Cyrus in front of her Sweet 16th birthday cake she was presented with at the 2008 American Music Awards on Sunday night in Los Angeles.

The now 16-year-old Disney starlet performed her second single from her Breakout album, “Fly on the Wall.” (She wore Frye “Veronica Slouch” boots in grey patent and Loree Rodkin’s white gold bondage ring in black rhodium and grey diamonds.)

Miley told Pussycat Doll Nicole Scherzinger on the red carpet that the performance would be crazy. She shared, “It’s really cool. There’s a huge break dance section, we’ve got a big billboard. It’s amazing. There’s jumping all over the place. It’s crazy and I have 30-something dancers today so I’m excited.”

Check out Miley’s performance below:

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American Idol alums Jordin Sparks and David Archuleta pose together on the red carpet of the 2008 American Music Awards at the Nokia Theatre on Sunday evening in Los Angeles.

David, 17, debuted his self-titled CD on November 11th and is still holding on to the #2 spot on the Billboard Music Charts. Country cutie Taylor Swift nabbed #1. David’s first single, “Crush”, sits at #22 on the Billboard Hot 100 single sales charts as well. Not too bad.

He presented the Country Male Artist award to Brad Paisley at tonight’s show with Secret Life of the American Teenager’s Shailene Woodley.

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Demi Lovato is gorgeous in a white Gustavo Cadile dress at the 2008 American Music Awards at the Nokia Theatre on Sunday evening in Los Angeles.

The 16-year-old Disney darling will introduce her good friends and fellow musicians, The Jonas Brothers tonight at the prestigious awards show. Who knows, maybe she’ll even be at their free concert at The House of Blues later. Only one way to find out - GO!

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Ashley Tisdale looks glamourous in this Alberta Ferretti for Philosophy gray and black dress at the 2008 American Music Awards at the Nokia Theatre on Sunday evening in Los Angeles.

The 23-year-old High School Musical leading lady topped off her dress with a Jimmy Choo clutch and Burberry heels.

Ashley recently shared that the one person she looked up to when she was younger — and still does, is her mom. She said, “I love other actors and musicians and artists but I never really looked up to anyone in particular. If anything, I really looked up to my mom — she’s very confident. She’s made me very confident growing up and always taught me to never give up in life on anything. So that’s who I think is my role model, my mom.”

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Taylor Swift sparkles in a silver Collette Dinnigan dress on the red carpet of the 2008 American Music Awards at the Nokia Theatre on Sunday evening in Los Angeles.

She topped her outfit off with Christian Louboutin and Neil Lane jewels. Dazzling!

The 18-year-old country charmer with the #1 album in the country has made history on Billboard’s music charts. Taylor has six singles on the Hot 100 singles chart led by ballad “White Horse” in the number 13 spot. This tops The JoBros‘ previous record of having five on the same chart this summer. Go Taylor!

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