Blue Murder At St. Trinian's 1957

I didn't catch this from the start. Fairly late in the film there is a scene with several 6th form girls lounging around a hotel room in lingerie when some flowers are delivered. Cynthia (Jose Read) looks particularly ravishing in a shortish white fullslip with lace at bust and hem.

Two photos taken on set featuring Ms Read in her slip





L to R
1st - Alamy. Caption reads "Shepperton Film Studio preparing to go on to set of Blue Murder At St Trinians 1957 Roland Searle s diabolical belles of St Trinian s Girls School."
2nd - E_Bay version (slightly bigger). No caption
3rd - Alamy version. Caption reads "Vikki Hammond left and Jose Read at Shepperton Film Studio preparing to go on to set of Blue Murder At St Trinians 1957."