[2] In 2002 during the show's second series, Jeremy Clarkson and Lesley Joseph appeared in a special episode, where Constantine and Woodall gave them a fashion makeover.

Trinny and Susannah did a spin-off show in 2003; What Not to Wear on the Red Carpet which featured comedian Jo Brand and news presenter Sophie Raworth having special makeovers to attend a BAFTA Award ceremony.

[10] For a Christmas special aired on 22 December 2004, Trisha Goddard was made over by Constantine and Woodall,[11][12] where the episode generated 7.42 million viewers.

Tarrant, however, did not wear what Constantine and Woodall had selected, and changed her dress in the back of the taxi whilst driving to the award ceremony.

Constantine and Woodall were also frequent guest fashion and makeover experts on The Oprah Winfrey Show in America.

There is also local version in Russia which is called Snimite eto nemedlenno (Снимите это немедленно, literally Take it off immediately) that was broadcast on STS.

Every episode features an "ambush" style confrontation and makeover of a woman, and sometimes a man, who has been nominated by their friends as particularly unfashionable.

[26] The experts give suggestions throughout the day and then present three different outfits to the participant to help illustrate the rules that they will need to follow as they shop for new clothing.

Sometime after the participant's makeover, the fashion gurus pay them a surprise visit, in order to establish whether they have adhered to the rules for their clothing.

The five selected candidates were then invited to the studios where they would be interviewed on why they thought they needed a makeover à la What Not to Wear.

Books by Trinny and Susannah linked with What Not to Wear include: A lethal far-future version of the show appeared in the Doctor Who episode "Bad Wolf".

Set in the year 200,100, Trinny and Susannah provided the voices of killer androids Trinn-e and Zu-Zanna who offered makeovers in a more gruesome form.

Trinny and Susannah were parodied in the comedy sketch show Bo' Selecta!, in a segment which saw them criticise the dress sense of various celebrities.

The pair's tactile nature a key focus of the spoof, as was their frequent references the "baps" of female celebrities.

On the show Big Impression, Alistair McGowan and Ronni Ancona took to spoofing Trinny and Susannah's presenting techniques on What Not to Wear.

[30][31] Trinny and Susannah were also spoofed in a sketch on 2DTV when it showed them giving Santa Claus a makeover, where they substituted his red suit for a casual shirt and trousers.