Rob Kardashians' Girlfriends: A Look at His Womanizing Ways

Rosa gave Rob quite the surprise when she announced in early 2011 that she was pregnant with his baby. The dancer/model broke the shocking news on the finale of Season 1 of Khloe & Lamar, and Rob was totally prepared to step up and be a dad. Sadly, Rosa miscarried, and the relationship was never rekindled.