Channeling their collective inner child, spotted Ashlee Simpson and Pete Wentz at Garfield Hundreds Pop Up Gallery in Santa Monica yesterday December 9. "Pieces of Me" singer and "Sugar We Going Down" rocker both had big smiles as they schmoozed with other guests, and Mohammed is up to the press.
Earlier in the day Ashlee was spotted doing some preparation for her gal pal Nicole Richie wedding this weekend. Ms. Simpson treated to a hair appointment and a manicure and pedicure treatment.