The newly engaged star shows off a diamond sparkler at the Met's Costume Institute Gala in N.Y.C. Plus: Mariah Carey, Ashton & Demi, Clive Owen and more

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HOUSE CALL

With sister Britney back in Kentwood, La., a pregnant Jamie Lynn Spears stops by a friend's place to say hello to some new puppies in McComb, Miss., on Thursday.