Britney SpearsBritney Spears knows the highs and lows that come with being a worldwide superstar better than just about anyone else on the planet. Maybe that's why she admits in Cosmopolitan magazine that she'd never let her sons have careers in Hollywood. In a rare and candid interview, Spears tells Cosmopolitan, "If my sons [Sean and Jayden] told me they wanted to be in the entertainment business, I'd lock them in their rooms until they turned 30."

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