By peoplestaff225
Updated November 25, 2008 10:30 AM

Lily Mo Sheen cracks a smile while taking a spin at the playground on Sunday in Santa Monica, Calif. As mom Kate Beckinsale and stepdad Len Wiseman looked on, Lily, 9 ½, and a friend traipsed around the park burning energy!

Lily’s dad is Kate’s ex, actor Michael Sheen.