By peoplestaff225
Updated July 24, 2009 01:00 PM
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It’s time for their weekly Mommy and Me class!

Ashlee Simpson-Wentz steps out with her lucky leprechaun, 8-month-old son Bronx Mowgli in Studio City, Calif. on Thursday.

Bronx is the first child for Ashlee, 24, and her husband, Fall Out Boy bassist Pete Wentz.