Home Interviews Video: 15 Second Challenge with Demi Lovato Interviews Video: 15 Second Challenge with Demi Lovato By Grace - August 14, 2015 305 0 Share on Facebook Tweet on Twitter tweet Here’s the video of 15 Second Challenge with Demi Lovato – Radio Disney Sizzlin Summer. Sounds like fun! RELATED ARTICLESMORE FROM AUTHOR Video: Demi Lovato & Nick Jonas on Late Show with Stephen Colbert Interview! Video: Get Demi Lovato’s Radiant Look with N.Y.C Color! Video: Demi Lovato & Lil Wayne Meeting Backstage at I Heart Radio Event Demi Lovato Speaks To Billboard on Celine Dion, Alanis Morissette & Performing Confident in AMAs! Demi Lovato’s Reaction On Her Upcoming Performance with Alanis Morissette! Video: How Well Does Nick Jonas & Demi Lovato Know About Each Other? Watch Now! LEAVE A REPLY Cancel reply Notify me of follow-up comments by email. Notify me of new posts by email.