“Omigod, you’re Brad Pitt! You’re really Brad Pitt!” gushed a young woman behind the counter at a grocery in tiny Plainsburg, Calif., when the hunky star walked in to ask directions. Brad and wife Jennifer Aniston were on their way back to LA after some R&R and got lost. “I can’t believe Brad Pitt is in my store!” the star-struck gal kept repeating as she jotted down directions. Said Brad ruefully, “Well, we get lost too” — and off he drove with wifey.