Taylor Swift was joined on stage this weekend by Nick Jonas for a rendition of one of his recent singles.

The two acts teamed up during the second night of Swift's stint at the MetLife Stadium in New Jersey on Saturday (July 11).

The surprise collaboration saw the duo run through Jonas' 2015 single 'Jealous'.

The former Jonas Brothers star said on Instagram that it was an "truly unforgettable night".

Swift responded by calling the US singer "incredible".

The previous night meanwhile saw the '1989' icon collaborate live with The Weeknd on his track 'Can't Feel My Face'.

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Watch Swift and Jonas perform together below: