Catherine Elizabeth "Cat" Deeley (born 1976) is a British celebrity, TV presenter, actress and model. From 1998 until 2001, she co-hosted the children's series SMTV Live alongside Ant & Dec and continued alone until 2002. She also hosted Stars in Their Eyes from 2004 until 2006. Since 2006, Deeley has also been the host of So You Think You Can Dance in the United States, for which she received a nomination for the Primetime Emmy Award for Outstanding Host for a Reality or Reality-Competition Program, As of 2008 She is also the Host of So You Think You Can Dance (UK) and she is the face of Pantene shampoo in the UK.
Deeley was born in Sutton Colfield, Birmingham. She attended Grove Vale Junior School in Great Barr Sandwell, followed by Dartmouth High School in Great Barr, where she played the clarinet in the Sandwell Youth Concert Band. She then joined the sixth form at Bishop Vesey's Grammar School.
At age 14, Deeley entered a regional edition of a BBC competition for The Clothes Show, in which she reached the national finals. Spotted by an agent for Storm modeling agency, she was quickly signed as a model under her nickname of Cat to make it easier for clients to re-book her.