When this bootylicious babe first popped up on Khloe & Lamar during Rob Kardashian’s trip to San Diego (with friend-with-benefits Malika, may we add), we didn’t know what to make of her. Clad in a skin-tight red dress, Rosa wasted no time getting reacquainted with her “old friend” Rob. Well, that’s what Rob told the camera she was, but judging by the instant apparent chemistry between them, we think “old fling” is more like it!Of course, the drama...