heat’s Secret Celeb Stand Up day 3: KISS Breakfast’s Rickie, Charlie and Melvin, Union J’s Josh Cuthbert, and Jamie Laing

This week, heat are teaming up with Stand Up to Cancer for a week-long series of Facebook Live action pushing people to donate to the brilliant cause; and we need your help.

Starting today - Monday 30th October - and throughout the week heat will be joined by a host of celeb-types – from some Love Island faves to our very own Jamie Laing – pulling some silly stunts in the name of raising cash for cancer research

heat's Secret Celeb Stand Up day 3: KISS Breakfast's Rickie, Charlie and Melvin

This morning, we were joined by Kiss FM Breakfast's own Rickie, Charlie and Melvin. They played a game of Mr, Mr and Mrs - and we found out just exactly how well they all know each other...

heat Secret Celeb Stand Up Day 3: Union J's Josh Cuthbert

Union J star and heat Radio's Josh Cuthburt spoke about the most embarrassing thing Jamie ever did in Union J, and showed off his French skills.

He also gave his opinion on that Gemma Collins fall.

heat Secret Celeb Stan Up day 3: Jamie Laing

Jamie Laing played a hilarious game of Heads Up with heat Radio's Emily Segal - and he didn't seem entirely sure who Liam Gallagher is...

Oh, and he also DYED HIS HAIR ORANGE. Watch below for the video.

Throughout the week we'll be joined by a host of celebs; so you might want to write off any work you'd planned on doing. It's fine, your boss will understand. It's for CHARITY.

Join us live over the week at facebook.com/heatworld and please comment, share and support in any way you can. We want as many of you Bauer bods involved as possible. And of course if you have any spare change left over after you’ve bought that Pumpkin outfit - donate!

. To donate £5 or £10 to support Stand Up To Cancer, text STAND5 or STAND10 to 70404. Please dig deep and give what you can. For each text message sent, you will be charged £5 or £10 plus your standard network message charge.

Join in on Twitter using the hashtag #secretcelebstandup

Catch up with Secret Celeb Stand Up below:

heat's Secret Celeb Stand Up: Day 1, Bobby Norris, Danielle Sellers and Chyna Ellis

heat's Secret Celeb Stand Up day 2: Louie Spence, Sam Thompson, and Kem and Amber