Jennie Garth held a 40th birthday celebration & premiere party for her new CMT series "Jennie Garth: A Little Bit Country" at The London Hotel yesterday.

The actress is still friendly with her co-stars from "Beverly Hills, 90210," which ended 12 years ago. Pals Shannen Doherty and Ian Ziering attended the party.

Jennie officially turned 40 on April 3 and celebrated the milestone at a nursing home in Los Angeles. She recently split from her husband Peter Facinelli after 11 years of marriage.

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