Demi Lovato pulled double duty for MTV last night.

The artist, who had one of the best years of any celebrity, according to THG readers, hosted that network's New Year's Eve celebration alongside Teen Wolf star Tyler Posey. She also performed her latest single, "Give Your Heart A Break," in front of a raucous crowd. Watch and listen below:

Posted in: Music

Demi Lovato is currently battling it out with Miley Cyrus in the finals of the first-ever Tournament of THG, as each young star hopes to be named the readers' favorite celebrity of 2011.

But the singer has still found time to release a special lyrics-based video for her next single, "Give Your Heart a Break." Consider it a pre-video for the official music video, which comes out next week. Look for this 19-year old sensation to perform the track live on Saturday night at MTV’s NYE in NYC 2012, which she's co-hosting with Tyler Posey.

Posted in: Music

Welcome back to the Tournament of THG, where fans vote for our top star of 2011! The concept is simple: Pick your favorite of the two stars in each poll. Done.

The final round features the two young stars who emerged from a field of 16 to be the last women standing: Miley Cyrus and Demi Lovato. And it's too close to call!

Posted in: Miley Cyrus

Welcome back to the Tournament of THG, where fans vote on the most popular star of 2011! The concept is simple: Pick your favorite of the two stars in each poll. Done.

The last round begins tomorrow, so this is your last chance to cast a virtual ballot in the Final Four. You've already narrowed the field to a quartet of worthy celebs.

Posted in: Miley Cyrus

Demi Lovato Biography

Lovato
Many think Demi Lovato is being groomed to be the next huge Disney star. She appeared in the movie Camp Rock, alongside those gorgeous... More »
Born
Birthplace
Dallas, Texas
Full Name
Demetria Devonne Lovato

Demi Lovato Quotes

I hope to do a collaboration with Kelly Clarkson. [She] has been my idol growing.

Demi Lovato

I'm very uncoordinated. I'm surprised I don't fall onstage more.

Demi Lovato