Tracy Anderson's star-studded fan base was in full effect this past weekend at her Brentwood studio opening bash. The celebrity trainer who has a chain in NYC is known for the Tracy Anderson Method a routine that targets the muscles in a challenging yet beneficial way.

Gwyneth Paltrow shined in a Victoria Beckham Frock (available at net-a-porter) paired with a pair of Michael Kors florescent sandals. While Stacy Keibler rocked a Rebecca Minkoff dress (available at shopbop) paired with nude sandals by Guiseppe Zanotti.