Watch Demi Lovato Perform "Give Your Heart a Break" on VH1 Divas 2012 (VIDEO) Tweet December 17, 2012 at 01:22PM EST by Julia Wayne Related: The X Factor, Demi Lovato VH1 DIVAS - Demi Lovato - VH1 DIVAS Photos - Tune In Live Sunday Dec. 16 9/8c at VH1 Demi Lovato sang a gorgeous rendition of "Give Your Heart a Break" at VH1's Divas 2012 this weekend, and it was beeeeyoootiful. Was it her best ever? Weigh in. Want more X Factor goodness? Like us on Facebook or follow us on Twitter!