Vanessa, 27, could be seen sat in her colourful crown while wowing in a royal blue dress, with her tresses down in soft curls.
Susanna was seen reaching for her sparkly headgear next to her, also opting for a dark blue offering for the live show.
Bill’s comment of course sparked replies, with one user telling him: “Oooh. You smoothie, you…”
Two others added in a similar vain: “Smooth Bill… very smooth,” and: “Well said.”