Taylor Swift -- More Calvin Harris, Gigi Hadid and Swans Than You Can Handle (TMZ TV)

Taylor Swift crushed the rest of America in the 4th of July rager department! T Swizzle was cooking, baking, and (maybe) banging through the holiday with her BF Calvin Harris.

She even had Gigi Hadid in a bikini, and Ed Sheeran in a Redcoat -- cause someone's gotta play the villain. 'Merica!!