Demi Lovato, Lady GaGa, Hot Chelle Rae and more sing in the new year

Various music stars sang in the New Year on tv last night, from the NYE in NYC to the New Year's Rockin Eve to the FOX New Year's Eve Live show. Watch videos below of Demi debuting her new single "Give Your Heart A Break," LMFAO party rocking, Lady GaGa sporting her own New Years ball and more.

Demi Lovato on NYE in NYC:

Credit to JemiLolenaJelena

Selena Gomez on NYE in NYC:

Credit to SamiLovesSelMGomez

Hot Chelle Rae on New Year's Rockin Eve:

Credit to NLVideos2011

Lady GaGa on New Year's Rockin Eve:

Credit to Chippoluax

LMFAO on New year's Rockin Eve:

Credit to Chippoluax

Lauren Alaina on FOX New Year's Eve Live:

Credit to che1sth0mas9

Demi Lovato releases "Give Your Heart A Break" lyric video

Off of her latest album Unbroken, Demi Lovato has released her second single, "Give Your Heart A Break." Demi will debut the song live on New Year's Eve, and just recently posted this lyric video for the song.

The video features Demi outside sitting on a bench, writing the song lyrics in her journal. Watch the new lyric video below:

Demi Lovato to host MTV's 'NYE in NYC 2012'

Demi Lovato announced on twitter that she will be hosting MTV's 'NYE in NYC 2012' with Teen Wolf star Tyler Posey. Demi will reunite with friend Selena Gomez, who is slated to perform. Other performers will be Jason Derulo, J. Cole, Mac Miller, as well as a performance from Demi.

The show will air live at 11pm on New Years Eve.