Not only are they having to find dresses to out do each other every weekend on 'The X Factor', but seeing as they keep turning up to the same events, they're having to put in hours of overtime in the on-going fashion war.
Both ladies turned up to support their fellow judge Gary Barlow at last night's Music Industry Trust Awards Dinner, which saw the That That singer honoured for his musical achievements and charity work.
But despite both opting for LBDs, it was Nicole who came out victorious in the style stakes after she wowed the crowds at London's Grosvenor House Hotel with her cutout, floor-length gown.
Also at the event were fellow 'X Factor' stars Caroline Flack and Dermot O'Leary, who watched on as Gary was reunited on stage with his pal Robbie Williams, despite the 'Candy' singer forming an alliance with Gary's nemesis Rylan Clark.
She and Gary have been pals since climbing Mount Kilimanjaro together in 2009 for Comic Relief.
But during the evening, Gary made no reference to new reports he has quit his role as an 'X Factor' judge...