Miriam O’Callaghan will be joined by ex-Girls Aloud singer Nadine Coyle tomorrow night ahead of her performances with the Lord of the Dance, Michael Flatley. Plus, Miriam will be taking the Ice Bucket Challenge.

Actor Brendan Gleeson will also be appearing on the show. He will be chatting about his new film, The Grand Seduction, the chances of an Oscar nomination and future plans ahead of his 60th birthday.

The Irish Women's Rugby Team will be in studio to talk about their incredible journey to the semi finals of the World Cup.

Also, Tomi Reichental and Alexandra Senfft tell their incredible story ahead of their up-coming Holocaust documentary, Close To Evil, while singer and actress Angeline Ball will chat about marriage, cookery and Imelda Quirke's legacy.

And Miriam and Oliver Callan get doused as they take on the #IceBucketChallenge for the Irish Motor Neuron Disease Association.

You can help support Miriam's Ice Bucket Challenge by making a donation at http://www.mycharity.ie/event/saturdaynightwithmiriam/.

Tune in to Saturday Night with Miriam at 9.50pm on RTÉ One.