Hilton brings along her latest Chihuahua to an L.A. recording studio. Plus: Matt & Ben, Eva Longoria and more

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A FAMILY AFFAIR

They may be exes, but Russell Simmons and Kimora Lee Simmons happily reunite for their daughters Ming, 7, and Aoki Lee, 4, at a tea party to launch Baby Phat's "Ming and Aoki" signature clothing collection at the label's New York showroom on Wednesday.