06/11/2015 02:37 EDT | Updated 06/11/2015 02:59 EDT

Patrick Stewart, Ian McKellen Share Kiss At 'Mr. Holmes' Premiere

This is one hot bromance!

The "X-Men" foes have always been frienemies. But the actors who play them share a touching bromance.

Patrick Stewart and Ian McKellen, who play hero Professor X and villain Magneto in the "X-Men" movies, sealed their bromance with a kiss at the premiere of the latter's film "Mr. Holmes" on Wednesday.

Stewart and McKellen are longtime friends who starred together in Broadway productions of Samuel Beckett's "Waiting for Godot" and Harold Pinter's "No Man's Land" in 2013.

Their time on stage also gave social media users some insight into the deep friendship between these two legendary actors.

They tweeted photos of themselves touring New York.

And even showed themselves to be rival football fans.

The bromance between these two runs deep enough that they've considered doing a buddy comedy, they told Entertainment Weekly earlier this year.

We're sure it would be entertaining. But these two just seem to get along too well for that to work!

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