Spencer Pratt's Rap Song SucksTracie Egan Morrissey6/01/09 1:20pm22EditPromoteGo to permalinkI'm a Celebrity…Get Me Out of Here! premieres on NBC tonight. Newlyweds Spencer and Heidi are part of the cast. Mrs. Pratt says, "I want to prove to myself that I can eat kangaroo penis." But more importantly, they want to promote their music careers, including Spencer's rap single.