Katherine Heigl threw Ellen Pompeo a celebrity-studded baby shower Saturday, ABC reported.

The guest list included Grey’s Anatomy co-stars Kate Walsh and Sandra Oh. Heigl hosted the party at her Los Angeles home.

Pompeo, 39, is expecting a daughter in October with husband Chris Ivery.

A guest told People.com, “Ellen looked gorgeous in a white summer dress with her hair in a braided up-do. She seemed very excited to celebrate with her girlfriends.”

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