Florence Welch Joins Taylor Swift Onstage in London to Sing 'Florida!!!' in Song's Eras Tour Debut

Jack Antonoff also joined Swift for a mash-up as the star's five-night Wembley Stadium stint came to a close on Aug. 20

Taylor Swift had a surprise up her sleeve for the last of her five-night Eras Tour stint in London!

The pop superstar invited pal Florence Welch to the stage at Wembley Stadium on Tuesday, Aug. 20 for a surprise performance of their song "Florida!!!" which appears on Swift's most recent album The Tortured Poets Department. Later in the show, friend and producer Jack Antonoff joined her for a mash-up.

The performance with Welch, 37, marked their song's Eras Tour debut, and the first time Swift has ever played it live.

Antonoff, 40, meanwhile, joined Swift for a mash-up of "Death By a Thousand Cuts" off her album Lover, and "Getaway Car" off Reputation.

"I think a lot about why I'm lucky enough to get to do a show like the Eras Tour, and it's because I've been fortunate enough to find friendships over the years that have been incredible collaborative and creative [forces]," she told the crowd while introducing Antonoff. "I get to make music with one of my best friends in the world, and he's here tonight."

She added that the songs she and the Grammy-winning producer would be performing were some of their "favorite ones that we've done together."

Afterward, Swift sat down at the piano to sing "So Long, London," marking the song's live debut.

"You know, we have done a lot of shows on here on this tour, so it's kind of rare to have a song that I've never performed live before," she said before playing. "And yet here we are."

Welch celebrated the release of Tortured Poets in April, writing on Instagram that "me and my ghosts we had a hell of a time 🖤 @taylorswift Honoured to be in this department."

Welch later told British Vogue that working with Swift in the studio nearly made her forget about Swift's massive level of fame.

"I almost didn't think of the scale of it," she said. "There's the sort of bigness of [Taylor Swift, the phenomenon], and then there's the Taylor I spend time with in the studio, who is just the sweetest and most down to earth."

Swift's shows in London have been nothing short of exciting. On the first night, she surprised fans by bringing out her longtime friend Ed Sheeran to the stage during the surprise songs section of her show and introduced him as her "second brother."

Related: Taylor Swift Stops London Eras Tour Show to Fix Her Piano: 'This Is in the Wrong Key'

"Every time I am doing the Red part of this show, I think about the memories that we've made. And now he is someone who plays Wembley, like every week — this is like regular for him and he works so hard," she told the crowd. "He's on tour right now and he's probably so tired but he wanted to come and play for you and do this for all of us so give it up for Ed Sheeran!"

Together, they performed their songs "Everything Has Changed" and "End Game" as well as Sheeran's hit "Thinking Out Loud" for the crowd.

Then, on Aug. 17, she performed "I Did Something Bad" from Reputation live for the first time.

“So I'm going to do a song I've never done on the tour that's one of my favorite songs ever just because you're that awesome and you deserve something of this caliber,” Swift can be heard saying in a fan-captured video posted to TikTok.

She added: It's “such a dream to perform for a crowd like this, especially when there’s 92,000 of you.”

Related: Taylor Swift's Dad Scott Hands Out Chicken Tenders to Fans During London Eras Tour Show: 'The Chicken Is Fresh'

Meanwhile, over in the crowd, her dad Scott Swift was spotted handing out chicken tenders to fans.

The "Peter" singer first performed a string of shows in London in June. At the time, she got a backstage visit from Prince William and his two eldest children, Prince George and Princess Charlotte.

Her boyfriend Travis Kelce also made his Eras Tour debut during a costume change for the Tortured Poets Department segment of the show.

Swift's London shows mark the first time she returned to the stage after three shows were canceled in Vienna, Austria following an alleged terror plot targeting her shows.

After Tuesday's show, Swift will take a break for several weeks and will return to the stage in Miami on Oct. 18.

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