Bump watch 2015 was filled with lots of cool street style looks from moms-to-be like Anne Hathaway, Kim Kardashian, and Ashlee Simpson. Some stars opted for form-fitting fashions, while others kept their bumps under wraps. One thing all the expectant mothers had in common? A pregnancy glow that complements any outfit! Click through our gallery to see the year's best celebrity maternity street style looks.