Lacey Mae Schwimmer is an American ballroom dancer and singer. She is best known as a fourth place finalist of the third season of So You Think You Can Dance. She is the daughter of noted dancer Buddy Schwimmer, as well as the cousin of Heidi Groskreutz, who placed fourth on the second season of So You Think You Can Dance and younger sister of Benji Schwimmer, the winner of the show's second season. She participated in the seventh season of Dancing with the Stars as a professional dancer paired with Lance Bass of 'N Sync, in the eighth season of the show paired with Jackass star Steve-O and in the ninth season paired with actor and Iron Chef America host Mark Dacascos. Schwimmer returned to Dancing with the Stars for its eleventh season and she was partnered with Disney Channel star Kyle Massey and in the 12th season, paired with radio host Mike Catherwood. In the thirteenth season, she was paired with transgender activist Chaz Bono.