Ed Sheeran surprised his fans with a special guest on Saturday as he took to the stage at Ford Field in Detroit during his Mathematics Tour.

The Thinking Out Loud hitmaker, 32, took to the stage to perform a cover version of Eminem‘s Lose Yourself.

And as he was about to perform the number, Ed joked to his fans that he and his band had just practised the song earlier that day.

Ed then jokingly said on stage ‘Let’s see how this goes.’ However, his fans had no idea about the special treat that was in store for them.

As the song started to play fans of the star began to sing along with Ed to the hit tune, however, a hooded figure then emerged from a door behind Ed.

Surprise! Ed Sheeran surprised his fans with a special guest on Saturday as he took to the stage at Ford Field in Detroit during his Mathematics Tour

Fans then quickly realised who the mystery guest was and proceeded to go wild for Eminem as he appeared next to Ed on stage.

In a video shared to Twitter, Ed then proceeded to tease the crowd by saying ‘He was gonna come on and do one song and I said, You can’t come on in Detroit and just do one song’. Do you want another song?’

The dynamic duo then went on to perform Eminem’s 2000 hit Stan, with Ed singing the verses originally performed by Dido.

And when the performance was wrapped up Eminem then proceeded to turn to the crowd to thank them.

He said ‘ I appreciate you, Detroit. I love you!’

The surprise performance comes after Eminem and Ed previously teamed up to perform at the rapper’s Rock and Roll Hall of Fame induction earlier this year.

And the pair have also collaborated on songs such as Remember the Name, River and Those Kinda Nights.

And Ed, who has been a big fan of Eminem for years, even revealed that the rapper’s music helped him overcome his stutter issues.

Concert: The Thinking Out Loud hitmaker, 32, took to the stage to perform a cover version of Eminem’s Lose Yourself

Surprise guest: And as the song started to play fans of the star began to sing along with Ed to the hit tune, however, a hooded figure then emerged from a door behind Ed revealing Eminem as a surprise guest

In for a treat: Fans then quickly realised who the mystery guest was and proceeded to go wild for Eminem as he was revealed through the trap door

Teasing: In a video shared to Twitter, Ed then proceeded to tease the crowd by saying ‘He was gonna come on and do one song and I said, You can’t come on in Detroit and just do one song’. Do you want another song?

The duo we all needed: The dynamic duo then went on to perform Eminem’s 2000 hit Stan, with Ed singing the verses originally performed by Dido