Having been married for 18 years, Kelly Ripa knows what it takes to keep her marriage hot.

Appearing on 'Watch What Happens Live' this week, the 'Live! with Kelly and Michael' host, 44, had no problem opening up about sex — and just how much of it she has with hubby Mark Consuelos, 43!

Scroll through to see the mother-of-three's TMI quote, plus even more stars who aren't shy about their sex lives with their significant others!