Angelina Jolie and Katie Holmes are throwing a tea party for their daughters. The former 'Dawson's Creek' star has reportedly invited Angelina and her eldest girls Zahara, 4, and Shiloh, 2, for tea and cupcakes with her two-year-old Suri at their New York home. A source said: "Katie loves entertaining and spoke to Angelina about having an at-home tea party with cupcakes for the girls." Another source adds: "It's something she has wanted to do for ages. Because of security reasons, Katie can't have just any child over to her home. "But with celebrity tots like Shiloh and Zahara, there's no problem." Katie, 30, and Angelina, 33, have both relocated their families to New York while they work on upcoming films. They started planning the playdate in Los Angeles in January when Angelina and her partner Brad Pitt met Katie and her husband Tom Cruise at a private Golden Globes after-party at the Sunset Tower Hotel. Tom, 46, and Brad, 45, first m