Concert of Hope: Nick Jonas Covers Rebecca Black, Selena Gomez Debuts 'Who Says'

Jonas Brothers play the weekend viral anthem with Nick playing the piano and serving as the lead singer, while Selena showcases 'Who Says' with The Scene. Nick Jonas knows how to delight his fans. During his performance with his Jonas Brothers bandmates at Concert of Hope on Sunday night, March 20, the youngest member of the band sat behind a white grand piano and covered Rebecca Black's viral