The Lohan sisters go for a stroll in New York City. Plus: Mariah Carey, the Sex and the City premiere, Posh & Cruz and more

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PLAY BALL!

Mariah Carey shows off her perfect pitch (in heels!) Wednesday while throwing out the ceremonial first ball before the pro baseball match-up between the Yomiuri Giants and Rakuten Golden Eagles at Japan's Tokyo Dome. The singer has been on a Japanese promotional tour for her album E=MC2 with new husband Nick Cannon.