Besties: Taylor Swift + Ed Sheeran Duet in Berlin [VIDEO]
"Berlin you were a DREAM!! AND @edsheeran came along to surprise you with 'I See Fire.' Thank you for being wonderful," Taylor tweeted. She also linked a video of the duet performance, the song he wrote for the soundtrack of The Hobbit: The Desolation of Smaug.
Do you think he'll make another appearance at one of Taylor's last two shows at London's O2 arean tonight or tomorrow?