The singer suits up as a police officer on the Harlem, N.Y., set of her new video. Plus: Pete Wentz, Kanye West, Britney Spears and more

FOOD FOR THOUGHT

Britney Spears steps out for a business dinner Thursday at Hollywood's Little Door Restaurant while MTV's VMA host – and Spears's promo partner – Russell Brand (not pictured) dined there as well. "He came over to her table and said hello," a source tells PEOPLE. "They were not having dinner together."