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Ashlee Simpson left estranged hubby Pete Wentz at home for a night out on the red carpet.

Jessica's younger sis helped to celebrate the launch of Lucky Kids Magazine at Siren Studios in Hollywood. Is it just us or is Ashlee's thin frame being swallowed up by her blanket-like top? At least she was comfy and warm!

Actress Garcelle Beauvais also brought her adorable twin boys to the party. Such cuties!

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Find out which 80's TV star also showed up ... after the jump.