Katie Elizabeth Downes was born on May 16, 1984 in Liverpool, England. She is a glamour model and has appeared as a Page Three girl of The Sun newspaper, Nuts magazine and other such publications. She is 4ft-11in tall with a natural breast size of 30D and has blonde hair and blue eyes.

Downes recently played a cameo role in the movie Deuce Bigalow: European Gigolo as a window washer. In the one-off special features of Deuce Bigalow: European Gigolo, Katie is seen auditioning for this role against other Page Three models Michelle Marsh, Nicola Tappenden, and Nikkala Stott. On March 23, 2006 this model featured in the ITV1 programme "Poor Little Rich Girls" in which Downes swapped lives with a toilet cleaner from Weston Super Mare.

Katie has been romantically linked by the British media to Arctic Monkeys guitarist Jamie Cook.