Cyrus keeps her pup Sophie close on the L.A. set of her new music video. Plus: Nick & Mariah, Beyoncé, Nicole Kidman and more

PANDAMONIUM

A grinning Angelina Jolie dished on her "very smiley" 4-month-old twins, Knox and Vivienne, at the DVD release of her animated hit Kung Fu Panda in L.A. Sunday. "They're at that [stage] where their personality really starts to shine," she said.