Ed Balls and Bill Bailey reunite with Strictly partners for anniversary special

Bill Bailey, pictured, will return for a Strictly Come Dancing anniversary special (Isabel Infantes/PA) - (PA Wire)

Former shadow chancellor Ed Balls, radio presenter Zoe Ball and Strictly Come Dancing winner Bill Bailey are among the celebrities reuniting for a 20th anniversary special of the BBC One show, a trailer has teased.

The teaser released for Strictly Come Dancing: 20 Fabulous Years on Saturday showed couples sharing the couch once more to talk about their time on the long-running programme.