Once again, some noble crusader has invaded Photobucket and dug up some scurrilous photos of young celebrities at play. In today's batch, one of the Olsen twins (we suspect Mary-Kate) is partying with some friends, most of whom are dressed in flannel, including famous rich person's daughter Nicole Richie and her man friend, rocker Joel Madden. The kids are pictured in some sort of wood-paneled mansion, playing with a piñata and smoking cigarettes. It's unclear when these were taken or whose birthday (it's a birthday, right?) they were celebrating, but Nicole Richie seems to be making a point of showing that she's not drinking in one of the photos. So perhaps it was while she was pregnant. Do your own sleuthing around the big brown mansion in a photo gallery, after the jump.

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