Strictly Come Dancing returned for its tenth series and began with the launch show on 15 September 2012. The live shows commenced on 5 October. Fourteen celebrities took part – the same number as the previous year. Sir Bruce Forsyth and Tess Daly returned to present the main show on BBC One and Claudia Winkleman returned to present the results show with Daly. Zoë Ball returned to present spin-off show Strictly Come Dancing: It Takes Two. Judges Len Goodman, Bruno Tonioli and Craig Revel Horwood all returned and were joined on the judging panel by series 7 guest judge Darcey Bussell, who replaced Alesha Dixon. She would be permanent judge for seven series until 2018.