Lewis Capaldi, Graham Norton, Joe Wicks, Bradley Walsh and Diversity volition beryllium among the stars taking portion successful this year's Children successful Need amusement later.
The foundation nighttime connected BBC One volition see ex-Strictly stars Maisie Smith and John Waite going connected Blankety Blank.
Freya Skye, the UK's Junior Eurovision act, volition execute her opus unrecorded for the archetypal clip astatine the Salford-based event.
DJ Scott Mills has already raised much than £1m for this year's entreaty done a gruelling treadmill challenge.
The Radio 2 presenter walked, jogged and ran for 24 hours - adjacent recreating his infamous Strictly Come Dancing "crab dance".
Friday's three-hour amusement volition beryllium hosted by Ade Adepitan, Mel Giedroyc, Chris Ramsey, Alex Scott and Jason Manford.
Manford, who is co-presenting the yearly lawsuit for the archetypal time, said: "Being from an underprivileged background, to assistance a foundation that helps those children, means a batch to me".
Giedroyc highlighted "so galore children facing the precise existent situation of poorness this winter", and Adepitan said it would beryllium "a truly affectional nighttime with a batch of almighty stories".
Last year's amusement raised £39m for children and young radical crossed the UK.
Friday volition besides spot Wicks locomotion a 30-mile ultra-marathon, aiming to decorativeness successful 10 hours to articulation the evening's show. He volition conscionable resistance queens, athletes, actors and chap broadcasters on the way.
"I wanted to bash arsenic overmuch arsenic I could for the foundation again this year, particularly fixed however hard things are for truthful galore children and young radical successful the UK close now," helium said.
The Repair Shop squad volition uncover the results of a peculiar restoration, portion Romesh Ranganathan volition big a foundation variation of The Weakest Link.
Norton's Big Red Chair is returning, portion the Children successful Need Choir volition sing Keane's Somewhere Only We Know.
Fundraising events to person been broadcast already see Matt Baker's Rickshaw Relay, on with a squad of 5 young people, each of whom person been supported by Children successful Need-funded projects.
DIY SOS built a brand-new location for Leeds-based CiN-funded task Getaway Girls, which saw Nick Knowles and his squad enactment alongside Radio 2 presenters and a radical of volunteers.
The BBC Children successful Need Appeal Night Show volition beryllium connected BBC One and iPlayer from 19:00 to 22:00 GMT.