"It's a friends and family party, they said," Swift said of the funny mixup.
"Has anyone seen my wife?" the Deadpool actor said on Instagram.
I'm as surprised as you are.
The Rolling In The Deep singer addressed her message to "all of you that are complaining about Taylor being at the game."
The entertainment icon said the former president's attack on Swift "is what a dictator is like", adding that Trump has "really flipped his lid now".
The singer-songwriter jammed out to one of the halftime show headliner's hit songs.
The biggest night in US sport was also jam-packed with A-list moments. Here's what you need to know.
The US president also took a shot at Donald Trump during his first video on the social network.
The Video Games singer was pulled up on stage by Taylor Swift after Midnights was named Album Of The Year.
The singer had alternative plans to announce The Tortured Poets Society to the world.