CBESTBEACH070707_01.jpgCBESTBEACH070707_07.jpgCalum Best CBESTBEACH070707_14.jpgThis story just keeps getting more and more intriguing! First he's with Lindsay Lohan at her 21st birthday party earlier this week, then he's spotted with Kimberly Stewart - not once, but twice! (Seriously, Kimberly Stewart? Can we get a "who cares," please? What a step down from Lindsay!) And now, Calum has been spotted with yet another blonde hottie on the beach in Malibu. The guy really gets around! Or is he just a hanger on who wants to be famous? He's certainly not going to make any friends by cheating on Lindsay and Kimberly!