Gok challenges himself to another high-street face-off on the catwalk; Alexa takes a peek at the lavish lifestyle of designer Roberto Cavalli at his castle.

Explosive summer brights are snapped up and altered, Gok talks fashion with Joan Collins, and Alexa Chung tests the latest trends in swimwear.

Fashions inspired by "Sex and the City"; Alexa meets Karl Lagerfeld of Chanel; Gok spends an afternoon with Kelly Osbourne.

Gok unveils secrets to holiday glamour on a high-street budget; Gok goes shopping in Paris with actress Mischa Barton.

Gok goes shopping with singer/actress Dannii Minogue and delves into her dirty laundry to reveal if she's got a thing for fashion faux pas.

Gok visits Cardiff to find out what Wales has to offer in the style stakes; Alexa Chung interviews Christian Lacroix.