Ellie Goulding is the latest of a long list of big-name celebrities Taylor Swift has introduced on stage during her concerts. On Saturday night in Arlington, Texas, the “Wildest Dreams” singer brought the popular singer out on stage, and the two broke out into a duet of Ellie Goulding’s hit song, “Love Me Like You Do.”

Taking to social media in her usual fashion, Taylor Swift, shared word of Ellie Goulding’s surprise appearance.

“What are you waiting for?” she captioned the Instagram post.

A video posted by Taylor Swift (@taylorswift) on Oct 17, 2015 at 11:31pm PDT

“Ellie killed it tonight in TX!!!” Swift captioned a shot of herself with Ellie Goulding.

A photo posted by Taylor Swift (@taylorswift) on Oct 17, 2015 at 11:32pm PDT

“I love this girl ????❤️ @elliegoulding,” Taylor Swift captioned this next photo of the two on stage.

A photo posted by Taylor Swift (@taylorswift) on Oct 18, 2015 at 12:15pm PDT

Ellie Goulding shared word of her excitement over appearing with Taylor Swift via Twitter.

After a beautiful night in Dallas w @taylorswift13 am now in New York and it's awesome because it's @_HannahLowe first time here ?

— Ellie Goulding (@elliegoulding) October 18, 2015

Besides Ellie Goulding, Taylor Swift has introduced Mick Jagger, Selena Gomez, Keith Urban, and Dierks Bentley to her concert stages in various locations around the country.

Wouldn’t you love to be in Taylor Swift’s audience when one of these music stars is introduced? That’s akin to getting a two-for-one concert ticket.