In January and February 2010, Deeley hosted So You Think You Can Dance in the UK.
Also, in February 2010, Cat filled in for a holidaying Meredith Vieira as host on the morning TV show Today.
Since 2003, Deeley has been a patron of London's Great Ormond Street Hospital for sick children.
In December 2009, she was made a UNICEF UK ambassador.
On 26 January 2012 she again co-hosted Live with Regis and Kelly with Kelly Ripa.In January 2006, a new season of So You Think You Can Dance started its auditions, with Deeley in the role of host. In 2011, Deeley was nominated for a Primetime Emmy Award for Outstanding Host for a Reality or Reality-Competition Programme.Other projects of Deeley's include presenting the third season of Soundtrack to My Life and playing herself as host of comedian Peter Kay's Britain's Got the Pop Factor.Deeley became the presenter of Stars In Their Eyes from 2003 to 2006, taking over from Matthew Kelly.Since 2006, Deeley has been the host of So You Think You Can Dance in the United States, for which she has been nominated five times for a Primetime Emmy.She is married to Northern Irish comedian and television personality Patrick Kielty. She left full-time modelling in 1997, following changes in her contract with Storm.