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Teen Choice’s Best Moments

From Ashton Kutcher’s impromptu sing-along to Justin Bieber and Selena Gomez’s PDA and Demi Lovato’s standing ovation, watch the best moments from the Teen Choice Awards.

08.08.11 1:19 PM ET

Ashton Kutcher Makes Teenage Dreams Come True

Ashton Kutcher, recording artist? Not quite, but the newly anointed Two and a Half Men star brought down the house with the first acceptance speech of the night. “I’d like to say thank you with the art of music,” he said before channeling Katy Perry and leading the crowd in an a cappella version of “Teenage Dream.” Watch his heartwarming (albeit terribly out of tune) rendition of the No. 1 hit that had the entire audience singing along.

Bieber’s Somebody to Love

Bieber’s Baby, Baby, Baby: Justin Bieber and girlfriend Selena Gomez put recent split rumors to bed. The two packed on the PDA (the PG version) throughout the night, hugging and kissing briefly while seated next to each other. Watch the Biebs almost lose his pants while running onstage to accept his awards, while his girlfriend, who took home five surfboards of her own, looks on from the front row.

Ellen’s Words of Wisdom

Ellen DeGeneres, teenspiration: The funny lady used her acceptance speech for Choice Comedian to wax poetic, reaching out to reassure young fans “who are not a teen’s choice” to “hang on.” Watch her recount her own awkward years and offer refreshing advice for teenagers everywhere.

Taylor Swift, Ultimate Teen Success Story

Taylor Swift is the ultimate teen queen. The swanlike starlet rocketed to fame in her own early teen years, and manages to maintain a levelheaded attitude that her fans can’t get enough of. Accepting the Ultimate Choice surfboard from fellow "it" girl Emma Stone, the starlet quipped, “It’s been a long time since I was a teenager, like two years.” Watch her humbly take the stage and talk about teenage stereotypes she once faced herself.

Demi Lovato’s Standing Ovation

Demi’s big comeback: Demi Lovato continued her return to the spotlight, walking the red carpet and winning an award for her song “Skyscraper.” The 18-year-old star thanked fans for standing by her after she entered rehab for depression, an eating disorder, and “personal issues” in late 2010. “I couldn’t have made it through the incredible journey I went through without your help,” she said as the crowd gave her a standing ovation. Watch her discuss the difficulties she faced and what helped her overcome the darkest period of her life.

A Surfboard for Hogwarts

For its final spell, Harry Potter took home seven awards, unseating the seemingly unstoppable Twilight series as Choice Summer Movie for the final award of the night. Daniel Radcliffe (Harry Potter) relied on the magic of satellite television to accept the ultimate honor, along with Tom Felton (Draco Malfoy) and Rupert Grint (Ron Weasley), who accepted in person. Watch the young stars thank their fans for changing their lives forever.