Calvin Harris attended girlfriend Taylor Swift's Miami 1989 tour stop.

The 31-year-old Scottish DJ stood near the floor section of the American Airlines Arena to watch the 25-year-old singer's performance on Tuesday, Oct 27, according to E! News.

Harris donned a neutral colored T-shirt with a black jacket as he attempted to remain unnoticed among other audience members. The DJ was even seen singing along to Swift's "Style" and "Blank Space."

A few other surprise guests showed up at Swift's Miami stop, including Miami Heat basketball player Dwyane Wade, who gave the singer a personal jersey.

"13 is her favorite number and it's my 13th season starting 2morrow... #Lucky13 thank you @taylorswift for having me at your concert tonite and for allowing me to welcome you to Miami-WadeCounty!!!" the athlete wrote on Instagram. "American Airlines Arena is insane right now... #heatnation #BiscayneBoys."

During the show Swift also welcomed two special performers to the stage. Pitbull was the first to join the singer on stage to sing his hit song "Give Me Everything." The next guest Swift brought out is someone she's been a fan of for several years.

"I'm about to bring out somebody who's album I bought when I was 10," she said before bringing out Ricky Martin. The two performed their own rendition of his 1999 single "Livin' La Vida Loca."

Swift also celebrated the one-year anniversary of her hit album "1989" on Tuesday.

"1989 came out 1 year ago today. It's been the best year of my life. I love you guys," she wrote on Twitter.

Swift recently told NME she's planning on taking a break after she wraps up her 1989 world tour. She also expressed how she plans to follow up the success of her latest album.

"How could the next one be as big?" she asked. "Maybe the next album will be a bridge to somewhere else. Or maybe I'll just go ahead and change everything."

Swift released "1989" on Oct. 27, 2014. The album produced the singles "Shake It Off," "Blank Space," "Style," "Bad Blood" and "Wildest Dreams."

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