Natalie Portman steps out for a post-Oscar breakfast with her fiance and Black Swan co-star,Benjamin Millepied, on Monday (February 28) in Hollywood.The 29-year-old pregnant actress won her first Academy Award last night! Nat wore a gorgeous violet silk chiffon draped gown by Rodarte on the red carpet.Nat thanked her entire team, the cast and crew of Black Swan, her friends and her love during