Charli XCX sent her fans wild this week as she brought out New Zealand pop star Lorde on stage at Madison Square Garden in New York City for a surprise duet.
The English pop star, 32, who is currently touring with Aussie star Troye Sivan for their Sweat tour, surprised a roaring crowd by enlisting Lorde, 27, to sing with her.
The two talented megastars had the crowd screaming for more as they belted out a surprise performance of Charli’s hit song, Girl, So Confusing.
The pair were later seen partying the night away with Troye, 27, supermodel Emily Ratajkowski, 33, and American pop star Addison Rae, 23.
Charli shared a jaw-dropping gallery of photos from the night to Instagram, which captured her having the time of her life with her A-List friends.
She captioned the gallery with some exciting words, gushing: ‘Sold out the biggest f**king apple of them all.’
Many of Charli’s celebrity friends quickly took to the comment section to gush over the A-list pictures.
Charli XCX (right) sent her fans wild this week as she brought out New Zealand pop star Lorde (left) on stage at Madison Square Garden in New York for a surprise duet

The English pop star, 32, who is currently touring with Australia’s Troye Sivan for their Sweat tour, surprised a roaring crowd by enlisting Lorde, 27, to sing along with her
‘You were incredible last night,’ wrote American fashion designer Marc Jacobs and talk show host Andy Cohen added: ‘Had the greatest time.’
Coinciding with her tour, Charli XCX this week dropped a new remixed version of her BRAT album track, Talk Talk, featuring Troye.
The pair are set to perform at several arenas across North America, including at L.A.’s Kia Forum on October 15.
While the Sweat tour won’t be heading Down Under, Troye will be returning home in November for his first Australian headlining tour in five years.
He will kick off his Something To Give Each Other tour in Perth on 17 November, before heading to Adelaide on November 19.
He will then jet to Melbourne’s Sidney Myer Music Bowl for a gig on November 21, before taking a few days off before his Brisbane stint at Riverstage on November 26.

Charli shared a gallery of jaw-dropping photos to Instagram which captured her partying it up with some of her A-List friends. Pictured L – R: Troye Sivan, Charli, Lorde and Addison Rae

Charli later partied with US star Emily Ratajkowski (left)