Simpson helps her Cowboy Tony Romo celebrate his 28th birthday in Dallas. Plus: Tom & Katie, Madonna & Lourdes and more

GLOW ON, GIRL

Opening for Kanye West on his "Glow in the Dark" tour, Rihanna is more than just pretty in pink – the singer's skin-tight outfit actually glowed during her performance at HP Pavilion on Saturday in San Jose, Calif.



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