TMZ has learned that along with blonde bombshells like Pam Anderson, Heather Locklear and Nicollette Sheridan, the 45-year-old '80s TV hunk once bumped uglies with Liza Minnelli! You heard correctly. Liza with a WHAT?!!
We're told by extremely well-placed sources that Baio and the 61-year-old re-assembled diva spent a night together years ago and made beautiful, er, music together. Charles in charge!
Who knew David Gest had Scott Baio's sloppy seconds?!