media_removed_toofab 102011

Looks like Pete Wentz has finally moved on from his split from Ashlee Simpson -- and was spotted in L.A. today holding hands with a mystery woman!

The two were photographed leaving a grocery store together Thursday afternoon, and it's Pete's first public display of affection with someone since Ashlee filed for divorce in February.

The sighting comes just days after Simpson and new boyfriend Vincent Piazza made it official by hitting the red carpet at a number of Emmy parties together in L.A.

Check out Ashlee and her new man below:0916_ashlee_launch

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