Matt Rife had a special guest at his recent show in London!

The 30-year-old comedian met up with Gerard Butler backstage at his show at The O2 Arena on Saturday (April 11) in London, England.

Matt is performing two shows at the famed arena as part of his Stay Golden World Tour, which is currently traveling across Europe through the end of April.

While sharing the backstage photos, Matt made a 300 joke, referencing Gerard‘s iconic “This is Sparta” line from the film.

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“THIS. IS. LONDON!!! Night 1 was absolutely insane 😂😂 Thank you to everyone who came out, including maybe the worst father ever 😂 And a big shoutout to the legend @gerardbutler for coming for a laugh!” Matt wrote on Instagram.

Gerard was most recently seen on the big screen in the movie Greenland 2: Migration, which is currently available to watch at home on VOD streamers.

London fans still have a chance to see Matt perform when he returns to The O2 Arena on April 23. He’ll be bringing the tour back to the U.S. over the summer.