Caroline Flack sizzles in metallic blue while Nicole Scherzinger shows off bronzed cleavage at the X-Factor London Auditions

Caroline flack turns up the heat in a blue frock while Nicole Scherzinger looks great in hot pink at the X-Factor London Auditions.

TV presenter Caroline Flack joined X Factor judges at the London auditions of the show, and wore another look by her much worn label Jaeger. The thigh skimming look in metallic blue was a sleek jacquard racer-back frock and had flattering dart details. Caroline completed her look with black sandals and a gold chain.

X-Factor judge Nicole Scherzinger looked radiant in an Emma Cook Fall 2013 outfit. The brunette bombshell wore a hot pink button down shirt with a graphic printed mini skirt, and added detail to her figure with a waist cinching belt. Nicole styled her look with black Kurt Geiger 'Britton' pumps, Katie Rowland 'Morrigan' necklaces, and a pink lip to match. Her bronzed cleavage was on display and added heat to the sunny day.