https://www.google.com/amp/s/www.rad...celebrity/amp/
Very interesting read they start interviewing celebs in March and actually signed John Barrowman up in march last year and spend hours speaking with each one.
Everyone gets a say on the celebs and Ant and Dec are the reason they got Noel Edmund's
Some celebs are in the mix every year before being picked.
They are not that bothered by calibre of names and book 3 or 4 household names for the launch and the rest are booked for the series.