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"Little Women: LA" star Christy McGinity Gibel could hardly keep it together describing what things are like downstairs after her vaginal rejuvenation procedure ... and ya can't blame her!!

We got Christy leaving PUMP in WeHo and she was thrilled to give us an update on her recent operation. ICYMI ... Christy and her co-star, Tonya Banks, recently decided to get a little lady parts tune-up.