Witherspoon is on footwear duty for her kids in Brentwood, Calif. Plus: Adam Lambert, Sandra Bullock, Eminem and more

HIP CHECK

Ashlee Simpson-Wentz is one hot mama in her sequined hot pants at the DJ Hero event Monday in Los Angeles. The Melrose Place star was joined at the Eminem-Jay-Z concert by hubby Pete Wentz (not pictured).