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Taylor Swift, Ian McKellen, Patrick Stewart, Twitter

Twitter; Getty Images

Will Taylor Swift's celebrity squad of besties add a pair of famous X-Men BFFs?

The 25-year-old pop star is known for having many famous friends and has been bringing many of them onstage during her current 1989 tour. Guests have included "Bad Blood" co-stars Gigi Hadid, Lena Dunham and Karlie Kloss.

Earlier this week, both Sir Ian McKellen and friend Sir Patrick Stewart paid tribute to Swift. Then she reciprocated. It was an epic online love fest...and Stewart's response was stupendous.

Earlier this week, McKellen, 76, was showing giving a dramatic reading of her latest hit "Bad Blood" in a Yahoo! video while Stewart, 75, recited her scorned love anthem "Blank Space" for NPR.

"So @IanMcKellen recited 'Bad Blood' and I did 'Blank Space' on @NPRAskMeAnother. May we join the squad, @taylorswift13?" Stewart tweeted on Thursday.

"Thanks for reciting my lyrics, @IanMcKellen and @SirPatStew! You've made my day. You two are ULTIMATE Squad Goals, Swift replied, alongside a photo collage showing his and McKellen epic bromance.

"OMG I DIE!!! (no really, I might. I'm old.)," Stewart said on Friday. "I hope this means I can finally wear leather pants in public..."

Don't know about you, but we can't wait to see Professor X and Magneto walk Swift's stage runway during "Style."