Lacey Schwimmer is an American competitive ballroom dancer, singer, and the winner of multiple youth championships. She is best known as the 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. She is also the sister of Benji Schwimmer, the winner of the second season of So You Think You Can Dance. 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 she was paired with radio host Mike Catherwood. In the thirteenth season, she was paired with transgender activist Chaz Bono. Schwimmer did not return for season 14 of Dancing With The Stars'
Schwimmer describes her dance style as West Coast Swing and International Latin. She made an appearance in Jon Chu and Adam Sevani's "Biggest Online Dance Battle" against M&M Cru and was credited as a member of America's Best Dance Crew with Hok, another So You Think You Can Dance competitor. She's made television appearances on The Ellen DeGeneres Show, Good Morning America, and Jimmy Kimmel Live!. In 2008 she danced alongside Adam Sandler at the MTV Movie Awards 2008. She then appeared in the video of the song Rainbow, by Elisa with singer songwriter Vinnie Ferra.
She is a part of the iHollywood Dance faculty teaching master classes in the United States and Norway. Schwimmer also has her own line of tube socks as well as a dance wear line designed by Sugar and Bruno Dancewear collection.
Schwimmer's debut single, "Love Soundz", was released June 21, 2011.