Larry Birkhead / Helio Castroneves

S3 E6: The former boyfriend of Anna Nicole Smith, Larry Birkhead, who resides in Louisville, Kentucky with his daughter, DannieLynn, his sister, and her two children, swaps places with three-time Indianapolis 500 and "Dancing with the Stars" champion Helio Castroneves, who lives in Ft. Lauderdale, Florida with his girlfriend and daughter.