We have been following every step of Taylor Swift's Red tour since she started wowing crowds across the States - getting more and more excited for her arrival in Aus!

Taylor loves bringing surprise celebs on stage for duets (Ed Sheeran, Justin Bieber and loads more) and last night was no exception!

Taylor Swift and her new bestie, Cher Lloyd! Photo: Getty Images

Tay's fans went cray when she announced that CHER LLOYD was joining her on stage to sing her hit Want You Back

Apparently Taylor has been humming the song for months - and she certainly knew all the words.

After the show, Cher shared this photo and says that Taylor is one of the sweetest people she has ever met.

Taylor and Cher after the show! Photo: Facebook

Who do you think Taylor will duet with in Australia?

Our top picks are:
  • Timomatic
  • Jess Mauboy
  • Cody Simpson
  • Samantha Jade