Rochelle Humes, Nick Grimshaw, and Fearne Cotton will also be on hand to host the evening and lots of other stars of stage, screen and music will be stopping by the Beeb to do their bit for charity.
Call the Midwife gets a glittering makeover as four of its stars take to the dancefloor to compete in the Strictly Come Dancing special.
Also on the night the cast of EastEnders will travel back in time for a vintage Hollywood-style musical performance, Ellie Goulding will be live in the studio, and Rod Stewart will also sing his new song.
Children in Need, BBC One, 7.30pm
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