Strictly Come Dancing to celebrate BBC centenary with themed week

BBC show will also return to Blackpool Tower ballroom after two-year break in new series launching next month

Strictly Come Dancing will return to Blackpool after a two-year absence and this year's series will feature a special themed week to celebrate 100 years of the BBC, the broadcaster has announced.

The 20th series of the BBC show will see 15 celebrity contestants, including the TV presenter Helen Skelton, EastEnders actor James Bye, singer Fleur East and former England footballer Tony Adams, taking to the dancefloor.