Hey what's up hello: Taylor and Fetty Wap perform 'Trap Queen' together at her Seattle concert

We have either reached peek Trap Queen or peek Taylor's Swift. Or the Singularity itself.

The pop star, who's had her fair share of big-name guests on her 1989 American tour, brought Fetty Wap himself onstage at her Seattle concert Saturday to sing his we're-going-to-just-go-ahead-and-call-it-the-song-of-the-summer, Trap Queen. Is there anything that is more likely to get stuck in our heads than these two artists singing this song? Nope. Are we upset about it? Not really.

Check it out for yourself:

Another look, from nosebleed section:

Taylor, also, was super into the whole thing:

So was Fetty:

So, randomly, was Vince Staples:

And he really wants to know what kind of pies Taylor and Fetty are cooking (we would also like to know that, thanks).

But even though this a great rendition of Trap Queen, we all know what the best one is: