Normally, when pop stars have a charity fundraising party they take over a bar or nightclub — but when you're 10-year-old Willow Smith, you take over a roller skating rink. Lady Gaga's pint-sized pal threw a soiree called — perfectly enough — 'Whip Your Skates Back And Forth' (how does one even do that?) in Summit, Illinois. While the event was free all donations were matched by the Bears Care foundation with proceeds going to rebuilding Chicago's athletic fields to benefit local children. The '21st Century Girl' looked like she was having a blast on her eight-wheels, after Annie is a Xanadu remake next?!