Taylor Swift is up to her old tricks again! Surprising fans in Dallas with guest performers both Friday and Saturday night.

Friday night she surprised fans in Arlington with their hometown girl, Maren Morris. The two performed Maren's pop-hit, 'The Middle.' Taylor shared a clip on instagram.

The two appeared to have fun sharing the stage! Maren shared a photo from sound check.

"Did we just become best friends?” Maren asked on Instagram, along with a photo of the two rehearsing. “Got to play my hometown stadium with this woman. Thank you Taylor Swift. Congratulations on a mind-blowing tour."

Fans on Saturday night saw another surprise guest act in the form of Sugarland. They joined Taylor for their first live performance of their country single, 'Babe.'

"‘Babe’ live for the first time tonight in Dallas!!!!” Taylor shared on her socials, along with a clip of their collaboration. “THIS WAS SO MUCH FUN."

She not only wrapped the North American leg of her Reputation World Tour, but became the first artist to play back to back nights at ATT Stadium.