Which oh-so-famous young couple parted ways not that long ago, he and she both of multitalented varieties, over her fairly indiscreet dalliances? Can you imagine, perhaps, who we are inferring? Sure ya can! Guess what? Just found out what caused that poor hon to be so naughty with other dudes while she was off filming on location. Turns out, while back at home in Hollywood, missy's hubby had a "light switch" for a penis (so reports a switch-witness). Hence, philandering wifey—we'll call her Inpenna Never-Trated—felt totally at a loss and doomed, sexually speaking, until she was woken up by costar X, soon to be followed by dude Z and the rest of the male alphabet. Girl was dee-lighted to discover what she'd been missing!
So obvious! Apparently someone who was only with one man, and the one we all know did that would be...
* Top suspect: Jessica Simpson (co-star with no nickname Nick Lachey)