Greg James on Sport Relief Gregathlon!

I won't go into too much detail Lorraine, but I've already got severe chafing - on many areas (neck, underarms and undercarriage) It's tough down there!

– Greg James on the pain he's endured during training for his daring Sport Relief challenge

Radio 1 breakfast DJ and funny man Greg James joins Lorraine on the sofa just three days before undertaking the biggest challenge of his life - the Gregathlon!

Everyone loves THIS Dame

The great thing about getting older is that you realise things do change, that nothing is fixed

– Helen Mirren is embracing age

Fresh from the weekend's Screen Actors Guild Awards in Los Angeles, Oscar, Emmy and Tony-winning actress Dame Helen Mirren chats to Lorraine about her upcoming film Trumbo, which has earned her her 14th Golden Globe nomination!

The film tells the story of the Hollywood screenwriter Dalton Trumbo, played by Breaking Bad's Bryan Cranston.

Dalton was one of Hollywood's top screenwriters who became blacklisted by the industry for being a Communist during the 1940s. Along with other artists he was jailed and blacklisted for his political beliefs.

Here comes Chris Isaak!

Clean living, and doing something I like to do

– Chris Isaak's secret to staying young and healthy

American rock musician and judge of The X Factor Australia, Chris Isaak, joins Lorraine to talk about his new album First Comes The Night.

Best known for his international hit Wicked Game, the 59-year-old rocker is releasing his first record in six years after producing and recording in music hotspot Nashville, Tennessee.

Catch up with Lorraine on The ITV Hub

Coldplay's Chris Martin tries Carpool Karaoke

James Corden's Carpool Karaoke sessions have been taking the world by storm, with artists as big as Mariah Carey and Adele all getting involved in the British talk show host's musical rides.

And in the latest, Coldplay's Chris Martin can be seen trying to hitch a ride to the Superbowl - before getting picked up by Mr Corden and launching into a charming rendition of his very own hit Yellow!

Catch up with Lorraine on The ITV Hub

Jemma Redgrave pulls on her doctor's scrubs again

Fourth generation of the Redgrave acting clan, Jemma Redgrave joins Lorraine to talk about her new role in hospital drama Holby City.

Last night Jemma made her debut as straight-talking Bernie Wolfe, a feisty general surgeon with battlefield experience. She's flown to the hospital from Afghanistan with a spinal fracture and heart problem following an explosion while on duty in Kabul.

Of course, it's not the first time Jemma has practised medicine. She famously played Dr Eleanor Bramwell, in Bramwell and more recently, she played Doctor Zoe Evans in the BBC drama Frankie about a district nurse in Bristol.

Catch up with Lorraine on The ITV Hub