Rachel Uchitel — Pops Out 7 lbs. of Mini-Me

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Rachel Uchitel really is a mother — she gave gave birth to a healthy baby girl Tuesday evening in San Francisco.

our sources”s learned Rachel and husband Matt Hahn welcomed their daughter — 7lbs. 1oz. — at 5:04PM PT.

Just a couple weeks ago, the 37-year old former Tiger Woods mistress one-upped Demi Moore”s famous Vanity Fair cover by posing in a sheer sheet … and while flashing a thong.

According to Matt”s Facebook the little girl”s got some Western flair — her name is Wyatt Lilly.