Star Tracks

The hip-hop mogul stakes his claim on the Hollywood Walk of Fame. Plus: Ashlee Simpson, Mary-Kate Olsen, Madonna and more

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IN CAHOOTS

Cameron Diaz gets a little support from smiling costar Ashton Kutcher in her first public appearance since her father's death. The duo lit up the red carpet – and even inspired a screaming match among their fans – Thursday at the Los Angeles premiere of What Happens In Vegas at the Mann Village Theatre.

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