More than 7,500 people will work out with celebrity instructors at a “mass participation” fitness session.
BIG BURN will host the exercise class at Alexandra Palace on May 30 and 31.
It will be headlined by Strictly Come Dancing judge and former ballerina Darcey Bussell and Big Brother winner Josie Gibson.
Each fitness session will have 1,500 people and will be designed to suit all levels of fitness ability.
Ticket prices for each session start from £23.
For more information visit www.BIGBURN.co.uk