Stepping out in a risqué geometric Lanvin number with a crystal choker around her neck, Jen flashed ample flesh on the red carpet, indulging in a bit of side-boob and high-beams. This is the girl who recently admitted that her "breasts have a life of their own".
Still, the Hunger Games actress made it classy, narrowly dodging a wardrobe malfunction while accepting her Independent Spirit award for best actress.
Showing some nerves by slurring the beginning of her speech, Jen pulled it together with her trademark charm check out the dress and speech in action above!
Jen's Silver Linings Playbook scooped the awards, scoring best film, screenplay and director for David O Russell. With eight nominations at today's Oscars, Silver Linings has scored Jen a gong for best actress which would be fully deserved.
Also a winner at the Independent Spirit Awards, Matthew McConaughey took home best supporting actor for playing a sleazebag strip club owner in Magic Mike. Matthew showed another hidden talent when accepting the award watch him sing about going pant-less below!
And see more comments from Jen about her, er, assets in this video:
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Before the action begins, take a look back at the skimpiest and daggiest Oscars frocks of all time ...