The singers brought down the house with their new collaboration.
Taylor Swift and Ed Sheeran brought the house down at KIIS FM’s iHeartRadio Jingle Ball concert at the Los Angeles Forum on Friday.
The 27-year-old singer, dressed in black shorts and a festive gold oversized shirt, was joined by her bestie during her six-song set to perform "End Game" live for the first time.
The annual holiday event marked Swift's first big show in 10 months since her pre-Super Bowl concert in February -- though Sheeran played coy about his duet with Swift ahead of the show.
"Who knows?" he replied to ET's Keltie Knight, when asked if they'd perform the song, adding: "There will be a music video for it."
During her set, Swift also gave fans a killer performance of "Ready For It?," "Blank Space" and "Shake It Off."
She also busted out her guitar and sang an acoustic version of "I Don't Wanna Live Forever," unfortunately sans Zayn Malik.
Of course fans also got treated to a choreography-filled performance of "Look What You Made Me Do."
On Saturday, Swift took to Instagram to thank her fans for an incredible night.
"Last night was funnnn. Thank you to everyone who came to KIIS-FM Jingle Ball YOU WERE SO LOUD! And dancy. And wonderful," she wrote.
Swift is set to embark on her own stadium tour in May 2018. For more on her latest album, Reputation, watch below.
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