Spats on and off screen.
SHE bitched: "Simon has stopped flirting with me. It's probably because he has a new girl to flirt with. But the person he flirts with most is himself, in the mirror."
SIMON told Dannii her choice of song for one of her acts was "like putting lemonade instead of petrol in a Ferrari".
HE was left fuming after Dannii jibed: "He needs to change that hairstyle. He is Mr Squarehead."