Jennifer Aniston's new series of ads for Smartwater, which includes a topless yet modest photo of the superstar actress, is stirring up interest, and not just within pants. That the video she shot earlier this month was called "Jen Aniston's Sex Tape" only further complicated the reaction. Really, is it that surprising that she's still attractive at 42? Between the expensive personal trainers and generous makeup artists, who knows what she really looks like. Besides, Barbara Eden was hot up until the moment she appeared on Hannity. Full ad, plus two more, after the jump.