Aug 07, 2016 at 2:20 pm

Taylor Swift Sings With Nelly for Their Friend Mike Hess's Birthday! (Video)

Taylor Swift had quite the duet partner at their mutual friend Mike Hess‘s birthday party on Saturday night (August 6) in the Hamptons, N.Y.

The 26-year-old singer attended the party with her pal Karlie Kloss and joined Nelly on stage to sing his hit “Dilemma” as she belted out Kelly Rowland‘s parts.

PHOTOS: Check out the latest pics of Taylor Swift

Watch video of the performance below!

In case you don’t remember, Nelly joined Taylor on stage last year during the 1989 Tour stop in St. Louis where they performed “Hot in Herre” with her pals Haim.

Taylor on stage with Nelly singing 'Dilemma' at a party in The Hamptons last night! pic.twitter.com/X2S0qMDzsB

— Taylor Swift Updates (@TSwiftLA) August 7, 2016

Click inside to watch another video of Taylor and Nelly singing together…