The Great Celebrity Bake Off

Channel 4, 8pm, Tuesday

Actor, comedian, musician and director Tim Minchin takes a break from creating hit musicals to compete alongside Scottish Conservatives leader Ruth Davidson, Made in Chelsea star Jamie Laing and singer Ella Eyre.

They have to contend with a signature challenge, a fancy technical, and the showstopper, which involves meringue towers. Prue Leith and Paul Hollywood pass judgment.