Ashlee Simpson shopping at Ella Moss in Los Angeles with Katy May 17, 2012

On May 17, Ashlee Simpson was spotted out  and about with Katy in LA where she dropped some serious dough on designer duds at the Ella Moss boutique.Sporting skinny jeans, a white tee and a colorful fly away cardigan, Ashlee topped off her casual ensemble with black ballet flats, a pair of stylish shades and her trusty fedora.

Enjoy the pictures of Ashlee Simpson shopping at Ella Moss in Los Angeles with Katy (May 17, 2012).