The shows will cross over for the first time since 2005.
Aha! Read more about Alan’s return to BBC screens later this month.
The new 6-part series begins on Tuesday.
Find out which seven matches you can watch on the channel.
Find out who the Strictly star is taking through to the live shows.
Find out who the Glee and Broadway star has picked for his squad.
Find out who the singer will be taking to the next stage of the competition.
The actress is set to reprise her role for a new series.
The hard-hitting storyline will begin in the coming weeks.
The auditions are over and the competition is starting to get down to business.
The competition continues on Saturday night.
The new series features 8 brand new episodes.