It was a full-circle moment for John Legend during the The Voice: Battle of Champions premiere on February 23.

Legend also took on the hype-man duties when Clarkson took the stage at the karaoke bar and belted out to her own hit, "Since U Been Gone," which she promises was an audience request, not her idea.

BUFFALO, N.Y. (WIVB) — John Legend is making his return to Buffalo for a concert at Shea’s Buffalo Theatre on April 22. The show will mark Legend’s first performance in the city in over 20 years and ...