Considering music producer JR Rotem spent Sunday making out with Britney Spears, wannabe rapper Kevin Federline probably regrets the shout out he gave Rotem at the beginning of his single "Lose Control."
Federline, who according to US Weekly, no longer includes Rotem as a friend on MySpace starts the song rapping, "Yeah! Got you on this dude, ha ha! Federation Records, JR, We did it again. Whoo!"