The actress totes around her new pooch in Malibu. Plus: Kirsten Dunst, Uma Thurman, Prince William and more

BITBIT JR.?

Pam Anderson joins the clique of Chihuahua lovers – including Britney Spears and Paris Hilton – as she cradles her new pup Tuesday in a Malibu pet store. The pooch is reportedly a gift from her rumored new beau, actor Stephen Dorff.