Shauna Sand to Enter 'Rehab'

Shauna SandsShauna Sand's penchant for booze and attention has finally paid off -- TMZ has learned the former Playboy Playmate has signed on for the next season of "Celebrity Rehab."

We're told Shauna will check into Dr. Drew's famous recovery center in Pasadena tomorrow.

As we previously reported, the show has already lined up several other minor celebs including Tila Tequila and Jason Wahler.