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We all know what happens on the Met Gala red carpet [2], but what about what goes down inside? Following her grand entrance at the event in NYC on Monday [3], Taylor Swift made her way inside The Metropolitan Museum of Art, where the "Blank Space" singer had the ultimate dance-off with pal Tom Hiddleston [4]. Luckily, a partygoer captured the epic moment in a video and posted it on Instagram [5], excitedly writing, "TAYLOR SWIFT & TOM HIDDLESTON GETTING DOWN #MET #DANCE #FUNFUN #PRINCE #NYC #tomhiddleston." In the clip, the pair holds nothing back while twirling around and shaking it off to rapper T.I.'s "Bring Em Out."

Of course, this isn't the first time we've gotten a glimpse of Taylor's dance moves. Back in March, the singer, who is currently on hiatus [6], was spotted getting down in the audience [7] to boyfriend Calvin Harris's "We Found Love" at Omnia Nightclub in Las Vegas. Watch her Met Gala moment above, and then look back at Taylor's most memorable moments at the event [8] over the years.