- Won a modeling contest as a teen, and after signing with the Storm agency, shortened her name to Cat.
- Became a TV presenter on MTV UK in 1997 after sending a demo tape made on her parents' camcorder.
- Revealed that a highlight of her career was meeting England's Princes Harry and William---and getting a kiss from each---after a hosting gig at the Tower of London; the royal heirs asked her to be part of the Concert for Diana, a 2007 tribute to their mother that marked the 10th anniversary of her death.
- In 2001, won BAFTA Award for Presenter for the British children's show SMTV Live.
- Despite hosting So You Think You Can Dance since its second season, claims she is not much of a dancer.
- Charity work includes supporting Great Ormond Street Hospital, a children's health facility in London, and taking a trip to Manila for UNICEF's Soccer Aid.
- 2015, Emmy — Outstanding Host for a Reality or Reality-Competition Program: Nominee
- 2015, Critics' Choice Television Awards — Best Reality Host: Winner
- 2017, Critics' Choice Awards — Best Reality Show Host: Nominee
- 2011, Emmy — Outstanding Host for a Reality or Reality-Competition Program: Nominee
- 2014, Emmy — Outstanding Host for a Reality or Reality-Competition Program: Nominee
- 2013, Emmy — Outstanding Host for a Reality or Reality-Competition Program: Nominee
- 2014, Critics' Choice Television Awards — Best Reality Host: Nominee
- 2012, Emmy — Outstanding Host for a Reality or Reality-Competition Program: Nominee
- Max Deeley — Brother
- Mark Whelan — Ex-significant Other
- Janet Deeley — Mother
- Jack Huston — Ex-significant Other
- Huey Morgan — Ex-significant Other
- Howard Deeley — Father
- Milo — Son
- Patrick Kielty — Husband
Game of Thrones Season 8 Complete Coverage
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