Taylor Swift is so back. Specifically ... Taylor showed up with her mom, wearing a faux fur red coat paired with a black ...

Taylor Swift arrived at Arrowhead Stadium to watch ... bringing “Big Yeti” energy in a faux fur Marni jacket ($1,595) over a white T-shirt and jeans. He accessorized with Timberland boots ...

Taylor Swift and boyfriend ... might be there to celebrate a friend's birthday, she did look like Swift with her tan trench coat outfit while rocking a hairstyle like Swift's.