This snapshot of Rachel is years old, so the dress will now be long gone.
Last week, again on the regular version, her boyfriend Pasha Kovalev, who was sitting in Dictionary Corner with expert Susie Dent, spelled out the word 'Phallus', a term for a penis - much to the cast's amusement.
Just take Rachel here for example looking fabulous in a pretty pink midi dress.
Accessorising with simple nude pointed heels and a metallic clutch, Rachel kept all eyes on her show-stopping look as she comfortably posed for cameras.