Watch: Taylor Swift & Nick Jonas Perform An Amazing Version Of 'Jealous'

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Jealous--Taylor Swift & Nick Jonas 7/11 MetLife

03:29

Just when you thought Nick Jonas' 'Jealous' couldn't get any better, Taylor Swift goes and does this.

When Taylor Swift fans descended on the MetLife Stadium in New Jersey (the same place Bruno Mars and the Red Hot Chili Peppers rocked the Super Bowl halftime show in 2014) they wouldn't have guessed they were in for such a treat.

Oh yes, Tay Tay brought out fellow Vodafone Big Top 40 star Nick Jonas to perform his huge single 'Jealous'.

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Taylor Swift's 1989 world tour continues tonight (13th July 2015) as she headlines Nationals Park in Washington along with Haim, Shawn Mendes and Vance Joy.