ellie grant , 22 , was appearing on the show to discuss her condition .
but in the middle of the pre-recorded interview , miss grant suddenly suffered a tic - and blurted out ` silver fox ' at phillip , 53 .
` silver fox ' is the nickname of the father-of-two , who smiled , but looked bemused and slightly embarrassed at the remark .
amused viewers took to twitter to say how much they enjoyed the clip .