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Jennifer Lawrence's nipple almost made an appearance after The Hunger Games: Mockingjay - Part 1 premiere in London last night (November 10).

After dazzling those on the red carpet in a Christian Dior quilted gown, J-Law slipped into something a little more revealing for the after-party, opting for a plunging white dress for the occasion.

Lawrence looked incredible in the bespoke Mugler frock - which as well as its low-cut neckline, came complete with a thigh-high split, as she posed for snaps.

However, when the actress was later pictured on her way home in a car from the bash with singer Lorde, the dress seemed to slip, with Jen flashing some major boob side-boob tothe camera.

[related]Despite the slight wardrobe malfunction, the 24-year old didn't seem bothered by her gaping gown, as she laughed and joked with Lorde.

The Hunger Games: Mockingjay - Part 1 is due for release in the UK on November 20.