On Wednesday, Taylor uploaded a video of them freaking out when hearing the 50 Shades Darkersingle on the radio for the first time. Since the songstress sings alongside Gigi's boyfriend Zayn Malik, we can't blame them for getting so excited!
It's a shame the One Direction alum wasn't with them, but the girls certainly hit those high notes!
We can only hope James Corden watches and has them both on Carpool Karaoke.
But in the meantime, watch Swifty rehearse the song on her own (below) ahead of her big DIRECTV Now Super Saturday Night performance in Houston: