Kevin Federline's swift and illustrious rise up the Spears Industries ranks—humbly starting as a background dancer, then being promoted to Chief Bongwater Replacement Engineer, and ultimately landing a corner-office position as their Director of Knocking-Up Services—was as remarkable a transformation by any celebrity couchhusband in recent memory. Even once he was terminated, nothing could stop his lofty pimp ambitions, and it wasn't long before Super Bowl endorsement deals and meaty roles opposite industry giants like Chad Michael Murray began to pour in. So how Shorty-feting, bullet-riddled rap star 50 Cent could somehow lay the blame for Britney's recent troubles on K-Fed is anyone's guess: