Demi Lovato, Sleigh Bells Spar Over Alleged Sample

Demi Lovato's "Stars," a bonus track on deluxe editions of the singer's latest LP Confident, has come under scrutiny after Sleigh Bells claimed it contained illegal samples of two tunes off the noise-pop duo's 2010 debut, Treats. "Flattered you guys sampled 'Infinity Guitars' and 'Riot Rhythm' for 'Stars' but we were not contacted," Sleigh Bells tweeted at Lovato on Monday. "Gotta clear those."Demi Lovato, Michelle Rodriguez Clash in 'Confident' Video
The song's producers tell&nbs