Celebrity moms have our fascination. But what about celebrity mothers who themselves are daughters of celebrities?

Celebrity mamahood is becoming a filled-to-capacity club. It seems twice a week a Hollywood star is having a baby. But on this Mother's Day, let us bring the telescope more into focus.

There is a super seven of star mamas who themselves have celebrity moms. Who are they and what is their combined star-power? SheKnows wanted to know -- and decided that these celebrity moms squared is a list that is both surprising and expected. This is such an exclusive group, this Hollywood club is practically empty -- but everyone on this list you'll know!

See the pics: Celebrity moms squared: Famous moms with their famous mothers!| Sheknows.com