Madonna And PSY Perform 'Gangnam Style' In New York - Video

The K-Pop star made a surprise appearance alongside Madonna during her Madison Square gig.

PSY and Madonna performed 'Gangnam Style' together at a concert in New York last night (13th November).

The Korean pop star appeared on stage while Madonna was performing her hit 'Give It 2 Me', which blended into 'Gangnam Style'.

"Because you've been working so hard on smashing your egos I have a little surprise for you," Madonna told the crowd. "A song I haven't sung for a while. You're gonna have to help me out with everything. I'm tired, I've been doing this for a year!"

While PSY sang the lyrics to 'Gangnam Style', Madonna impressively pulled off the dance routine to the song, which has become a worldwide phenomenon.

The gigs at Madison Square Garden formed part of Madonna's world tour.

Watch Madonna and PSY perform 'Gangnam Style' below: