It's Monday, November 2nd, Do You Know What Your Celebrities Were For Halloween?

Well, we all know what Seal And Heidi Klum dressed up as for Halloween. But what about the more low-key celebrities, who chose to spend the holiday taking their favorite kids and paparazzi out trick-or-treating? Read on to find out how Gwen Stefani, Christina Aguilera, Kate Beckinsale, Allyson Hannigan, and Brooke Shields spent their weekend.-

Gwen Stefani (husband Gavin pictured above), with her two kids. How bad ass is Kingston?

Alysson Hannigan, Satyana, Alexis Denisof. Very cute. Except. Why is the man Kangaroo wearing a suit, but the woman kangaroo naked?

Kate Beckingsale and family. On a scale of 1-10, how embarrassed would you be if your Dad dressed up like that for Halloween?

Brooke Shields and James Gandolfini take their respective families out in the West Village. (Gandolfini is on the right, obviously.)

Christina Aguilera and her son, in adorable matching costumes.