IS IT THE BODYGUARD II?Chalk up another one for action-flick heartthrob Pierce Kingston. Just when we thought there wasn't room for another notch in his belt, Pierce was spotted in a torrid embrace with a tall, leggy brunette - Nikki Martinelli.Nikki is an ex-marine and professional bodyguard. And rumor has it the beauty-in-combat-boots and Playboy Pierce have made his Beverly Hills mansion their love nest. But is there more to this than meets the eye?A close source revealed to us that Pierce has been plagued with threatening fan mail. If the rumor is true, Nikki may well be more than just a pretty face for Pierce. Don't miss the inside story for details.Hollywood Dynasty