"Some weeks she’s really excelled and has blown the judges away, while others weeks she has received low marks."
Discussing the comedian's facial expressions, the expert continued: "Ellie’s facial expressions have been particularly fascinating for me as a communications expert.
"During every results show, Ellie has displayed facial gestures which prove she believed she was going home.
"It’s apparent Ellie takes nothing for granted and is genuinely surprised she has got this far in the competition."
