When Jennifer Lawrence [1] isn't busy punching Sophie Turner in the vagina [2], she's apparently content to simply stop hearts by adding to her lengthy list of stunning red carpet appearances [3]. The X-Men: Apocalypse actress plays Mystique in the superhero film, but when she posed for photographers at a fan screening in London on Monday, she was definitely serving up some serious Emma Frost vibes that would stop anyone in their tracks. Decked out in a silky, silver-white gown that featured cutouts to perfectly accentuate her curves, Jennifer smiled wide and posed arm in arm with costars James McAvoy [4] and Oscar Isaac, proving once again that she's the perfect red carpet date [5]. Keep reading to see more photos of her night, and then check out the fun afternoon she had with her supercute dog, Pippi [6]!