Jennifer Lawrence won Best Actress at the 2013 Oscars but that's not all people are talking about this morning. Lawrence was her usually sassy, wonderful self before, during and after the Oscars, including this shot above of her giving the middle finger and a big eff you face to someone backstage. Need more? We've compiled our favorite Jennifer Lawrence reaction shots in the gallery below.

Jennifer Lawrence was a tour de force at the 2013 Oscars and proved not everything has to be completely rehearsed or stuffy. Below are some of her best moments at the 2013 Oscars, starting with the backstage middle finger (which we don't have a full explanation for just yet).

Her message to Emma Stone from the red carpet:

Jennifer Lawrence sees her family backstage for the first time (skip to :45 in):

Jennifer Lawrence meets a famous fan.