On tomorrow Tubridy Tonight, Ryan will be joined by Take That.
They will be chatting to Ryan and will also be performing their No 1 single 'Greatest Days' live on the show.
Everyone’s favourite stylist Gok Wan will be doling out the fashion advice. Also on the show is legendary Irish comedian Brendan Grace.
Ryan said: "Tomorrow night’s show is going to be Take-That-tastic, we’ve been in-undated with requests for tickets and some of the band’s biggest Irish fans will be in the audience. Not only that but we also have Brendan Grace and Gok Wan so it’s a going to be a great night."
The show kicks off at 9.55pm on RTE One.