Catherine Elizabeth "Cat" Deeley (born 23 October 1976) is an English disc jockey, television personality and former fashion model, who rose to fame at the age of 21, co-hosting the well-known children's series SMTV Live, alongside Anthony McPartlin and Declan Donnelly, for also hosting Stars in their Eyes since 2004, and for hosting So You Think You Can Dance, since its second season in 2006.
Her first television appearance was in 1994 as a model on the daytime show Kilroy.
Deeley left modelling after two years and became an MTV UK presenter in 1997. She usually co-hosted with Edith Bowman, with whom Deeley is friends.
From 1998 - 2002, she was co-host with Ant & Dec on the Saturday morning children's show SMTV Live and also hosted its spin-off shows CD:UK (From 1998 -2005) and CD:UK Hotshots. In 2001, she won a Children's BAFTA award for best presenter and appeared in an episode of the BBC's Happiness. In 2002, Deeley appeared in a television commercial for the British high street store Marks and Spencer.
Other programmes she hosted include The Record of the Year, Fame Academy, The 2004 BRIT Awards and Stars in Their Eyes, as well as a weekly show on London's Capital FM and BBC Choice series Roadtripping both with former MTV colleague Edith Bowman. In 2003 she became patron of Great Ormond Street Hospital, and in 2005 she played herself in an episode of Little Britain and provided the voice of "Loretta Geargrinder" in the UK version of the film Robots replacing Natasha Lyonne
Since 2006, she began hosting the second season of American reality show So You Think You Can Dance, replacing Lauren Sanchez, who was pregnant at the time. Deeley interviewed Kylie Minogue for a television special which aired in the United Kingdom on Sky One on 16 July 2006, in Australia on Channel Nine on 17 July 2006 and BBC America on 9 September 2006.
Deeley also had a stint as a guest reporter on NBC's Tonight Show around this time. She has presented Fox's New Year's Eve special live from Times Square in 2006 and 2007.
She is also an entertainment contributor for ABC News, providing coverage from various awards shows including the Golden Globes and the Grammy and Academy Awards.
In 2007, she presented the British coverage of season 6 of American Idol for ITV2. She filmed segments and interviews with celebrity guests and eliminated contestants for UK audiences that were shown just before and after commercial breaks. However, this was not popular with viewers who saw Deeley's role as 'unnecessary'. She will not return with season 7 of American Idol in 2008.
For a period, Deeley was the face of Shape Water and a number of Garnier Fructis products, appearing in print and television advertising in the UK and Ireland.
She is known to be a friend of the fashion designer Matthew Williamson and frequently wears his clothes during red carpet events.
On July 1, 2007, Deeley was one of many celebrity speakers appearing at the Concert For Diana. The event, watched by an estimated 500 million viewers worldwide, was held at the new Wembley Stadium.
In January 2008, a new series of So You Think You Can Dance started its auditions, with Deeley again hosting.
She is to return to the UK to host a new dating show called The Big Match and to host the UK version of So You Think You Can Dance.
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