Shiloh and Kingston have already hooked up

Kingston Rossdale and Shiloh Nouvel Jolie-Pitt had a hot baby playdate on Sunday. Gavin Rossdale and Gwen Stefani joined Angelina and Brad at the couple's Santa Barbara home during the weekend.

Gwen and Ang were seen with matching baby slings and chatting while Pitt and Rossdale enjoyed a bit of jet skiing.

"Jolie and Pitt's son Maddox was seen hanging out with the boys, while the couple's 18-month old daughter Zahara, was spotted toddling about enjoying the sun." The estate was heavily guarded by officers on dune buggies, patrol boats and rafts, as well as dogs posted around the properties perimeter. That kind of takes the fun out...