The full line-up for tonight's Late Late Show has been announced, with a host of stars from the worlds of movies, music and sport coming together to lend their support to Pieta House's annual Darkness into Light fundraising campaign.
The very special Late Late episode will see host Ryan Tubridy speak to Hollywood star Sharon Stone about her strong ties with Northern Ireland through her friendship with the late peace activist Betty Williams.
She will also discuss her health battles - including surviving a terrifying brain bleed.
Irish jockey Rachael Blackmore lifted the nation with her historic Grand National win last month, and the champion from Tipperary will join Ryan to speak about riding to victory in one of the toughest races in sport.
Irish country music star Sandy Kelly will be joined by her niece, Sandie Ellis, as they speak publicly together for the first time about the tragic death of Sandy's sister Barbara.
Westmeath GAA star and former AFL player Ray Connellan, spoken word artist Malaki, and ultra-marathon runner Conor O'Keeffe will speak about their personal experiences with mental health pressures.
There will also be a special musical performance from Pillow Queens of The Cranberries single When You're Gone which will feature on a forthcoming album of covers of songs from The Cranberries in aid of Pieta House.
With people around the country planning their own personal Darkness into Light walks, hikes, swims, and dances this weekend, Pieta clinical manager Leigh Kenny will be telling viewers why the suicide prevention charity's services are in demand now more than ever.
Plus All Ireland-winning player and manager Jim McGuinness will chat to Ryan about swapping football for soccer.
Watch The Late Late Show, RTÉ One, at 9.35pm.