Last Night's Oscar's Winners!They came, they looked fab and they won! Here are the stars with the biggest smiles after last night's 83rd Academy Awards! A very pregnant Natalie Portman made an emotional speech after winning her Oscar for best actress in Black Swan, no surprises there, we knew she would get it! Colin Firth won best actor for The King's Speech and our favorite for the best supporting actor award won! Congratulations Christian Bale and all the other winners of the night! For the full list of winners click here. Watch this space for a look at the night's most important part - the dresses! Coming up next!