Birthday Girl Natalie Portman's Sexiest Looks (PHOTOS)
Though she has kept herself out of the spotlight for most of 2012, birthday girl Natalie Portman has had quite the busy year as a new mother and wife.
Aside from welcoming her son Aleph almost a year ago, the Thor actress -- who turns 31 on Saturday -- also secretly wed Black Swan choreographer Benjamin Millepied this year after the pair were spotted at the Oscars in matching Jamie Wolf wedding bands.
To celebrate Portman's amazing year of motherhood and newlywed bliss, Celebuzz is taking a look back at the Oscar-winning beauty's most gorgeous looks through the years.
Flip through the gallery to see her sexiest styles!
However, mommy duties aren't slowing down her red hot film career one bit!
Reprising her role as Jane Foster, Portman is set to return to the big screen with a sequel to the Thor franchise in 2013. Somehow, this A-list stunner is able to do all of this and still be one of the sexiest stars in Hollywood!
Check out her humble beginnings below then, in the comments, tell us which of her looks is your favorite.