Taylor Swift
Larry Busacca, Getty Images
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Taylor Swift is unstoppable. After bringing out famous friends like Nick Jonas, The Weeknd, Jason Derulo, and even "Royals" singer Lorde to perform star-powered duets during various stops on her 1989 Tour, the pop artist excited fans in Seattle on Saturday night by inviting 2015 breakout rapper Fetty Wap onstage for a shared performance of his No. 2 Hot 100 summer hit, "Trap Queen."

The super fly pop-rap crossover moment took place at Seattle's CenturyLink Field arena, where Tay brought Fetty Wap out to duet his single in front of 60,000 screaming fans. After the performance, Swift had a total fangirl moment on Twitter, claiming that her duet was "just the happiest moment of my life to date" and calling the performance "unreal." (Though, considering all of Swift's accolades, awards, and generally incredible moments over the years, we find this a little hard to believe. I mean, come on girl, you've won like, seven Grammys!)

Of course, the duet wasn't the only special, celebrity-studded moment to go down during Swift's Seattle stop. Ciara and her boyfriend, Seahawks quarterback Russell Wilson, stopped by to make an onstage appearance during the show as well, the couple rocking out to Tay's hit "Style" after being elevated onstage through a trap door.

Check out footage of the appearance, below:

The next stops on Taylor's 1989 Tour will take place in Santa Clara, CA, Glendale, AZ, and Los Angeles, where the pop star will perform for five whole days. This has us quite excited—after all, with five days of performances and the tour being so close to Hollywood, the potential celebrity appearances and duet possibilities are endless!

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