Ashlee Simpson Ross Flashes Growing Baby Bump in Tiny Bikini

Ashlee Simpson Ross and her growing baby bump are ready to get some sun! The pregnant star flaunted her bun in the oven while hanging poolside alongside hubby Evan Ross during their vacation in Los Cabos, Mexico, over the weekend. Ashlee rocked a tiny, deep-red string bikini that showed off her killer pregnancy bod. Simpson is a big fan of Cardio Barre, and has been doing the new fitness trend for a couple years now. In fact, she continues to keep up her workout routine, attending a Cardio Barre class two to three times a week now.