Today's Blind Item - Sober Edition!

"Which actor may have transformed himself from the drinker he once was, but still travels with his sponsor to avoid a slipup?" [NYDN]

Okay. Now. What word in the description above totally gives it away? I'm trying to teach you guys how to figure out these Blind-ass Items.

TRANSFORMED = Transformers = Shia LeBeouf. Get it??