India, Oct. 12 -- Pop star Charli XCX made a surprise appearance on Saturday Night Live on October 11, and her outfit immediately sent fans into detective mode. The Brat hitmaker joined musician Role Model on stage during his performance of Sally, When the Wine Runs Out, playing the part of his recurring on-stage muse 'Sally', reported People.

Charli, 33, strutted onto the set wearing a black mini skirt, sunglasses, and a T-shirt which read "Max's Kansas City". The moment had fans screaming, and social media quickly lit up with theories about whether the top was a deliberate statement linked to Taylor Swift.

Swift (35) and Charli's rumored feud has been the subject of speculation since the release of her song Actually Romantic from the ...