It's Oscar night! We're kicking off the day with one of our favorite topics: megastars who have hit the red carpet with a baby bump. Not only have some of the biggest movie stars in the world attended the Oscars while pregnant, but some of those same stars have also taken home the night's coveted prize!

Natalie Portman won the Oscar for best actress for her performance in Black Swan just a few months before giving birth to son Aleph. And who can forget Catherine Zeta-Jones's performance in support of Chicago at the 2003 Oscars — while nearly nine months pregnant?! Keep reading for more of Oscar's best maternity moments!