Video: Highlights of the 2011 Teen Choice Awards

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An unusual number of big name stars descended on the Teen Choice Awards in Los Angles on Sunday, which made for some unforgettable moments.
If there was an award for best speech, it would have gone to Demi Lovato, who sincerely credited her fans for staying with her through her tough times.
"I couldn't have made it through the incredible journey that I went through without your help and your strength that got me through it," said Demi. "You guys are what got me through this last year. I love you so much. Love is louder."
Last fall the Disney star left her tour prematurely to deal with "emotional and physical" issues. The actress later checked into rehab for an eating disorder where she found out that she is bipolar.
Ashton Kutcher lightened the mood by leading the audience in a song, and Justin Bieber helped keep things in perspective, urging the audience to "Keep God first and always remember to keep family first."
Watch the clip for more.