Episode 1407A

DANCING WITH THE STARS - "Episode 1407A" - Gavin DeGraw returned to the ballroom as a special musical guest performing his new hit single "Sweeter," accompanied by Karina Smirnoff and Louis Van Amstel, on "Dancing with the Stars the Results Show," TUESDAY, MAY 1 (9:00-10:01 p.m., ET) on ABC. (ABC/KELSEY MCNEAL) LOUIS VAN AMSTEL, KARINA SMIRNOFF