WATCH: Just Amy Schumer, Judd Apatow and Glen Hansard having a sing-song in a Dublin pub

One for the grandkids!

Comedian and actress Amy Schumer seems to be having a great time in Dublin in the lead up to the premiere of her film Trainwreck tonight.

Schumer, along with the film’s director Judd Apatow and Irish Oscar winner Glen Hansard, stopped in Grogan’s on Dublin’s South William Street for a pint this afternoon and a full scale sing-song broke out.

After being seen by a wedding party in the bar, The Frames frontman Hansard was asked to play a few songs.

Who shows up for @jpswaine and Eithne's wedding only @amyschumer Glen Hansard and Judd Apatow pic.twitter.com/GxL1rIta9W

— Steve Cummins (@Steve_Cummins) August 14, 2015

Of course he soundly obliged and proceeded to belt out ‘The Auld Triangle’ – classic!

Schumer, Apatow and the whole bar just couldn’t help but join.

Pamela Kavanagh, who was in the bar, uploaded video of the sing-song to Facebook and everyone there seems to have had a brilliant time.

If you can’t see the video, you can view it here.

And the Auld triangle … went jingle-jangle…