They haven't been seen together much since their dramatic break up, and the reunion of Harry Styles and Taylor Swift was definitely one to talk about.
Taylor, who was wearing one of our favourite dresses, was caught on camera swearing as Harry and his band mates took to the stage.
The I Knew You Were Trouble singer appeared to mouth "Shut the f*** up" as One Direction appeared on stage.
Now on to THAT dress. Taylor, who won Best Female Video, was turning heads on the red carpet with this incredible Herve Leger dress. The bandage style dress with a low cut and jewelled top looks incredible on Taylor. Like they say, if you've got it, flaunt it.
Plus how amazing does her retro-styled hair look!!
Let's take a look back at some of Taylor's fashion moments...
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