Amanda Holden - Rami Al Ali gown; jewels c/o Theo Fennell, Harry Winston and Saqqara. Alesha Dixon - Haider Ackermann coat and trousers, Lara Bohinc jewels, and Giuseppe Zanotti heels.
Amanda Holden on the Britain's Got Talent red carpet for London auditions
Experimental: Alesha has been gradually lightening her raven locks and had been sporting an ombre style in more recent weeks
Slipping into a little black dress, the Britain's Got Talent judge ensured her.
Britain's' Got Talent's Amanda Holden wows fans in sexy white dress for semi-finals
The actress, who sits alongside Simon Cowell, David Walliams and Alesha Dixon on the judging panel, looked sensational in a white flamenco style gown