ICYMI, today is officially X-Men Day. To celebrate the franchise — and the upcoming Dark Phoenix movie — many actors and creators from the X-Men universe took to social media to express their love of and appreciation for these movies.

Check out some of the star-studded tributes.

Hugh Jackman (Wolverine)

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Role of a lifetime. #xmenday #wolverine

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Ryan Reynolds (Deadpool)

Will Yun Lee (Harada)

Shawn Ashmore (Iceman)

James McAvoy (Charles Xavier)

Nicholas Hoult (Beast)

Rob Liefeld (X-Force creator)

Simon Kinberg (director, Dark Pheonix)

Alexandra Shipp (Storm)

Photo: Twitter/@RealHughJackman