While chatting on The Graham Norton Show, Olivia, recalled the hilarious yet cringe-worthy prank she played on the La La Land actress during an intimate on-screen moment.Discussing the challenges of shooting such scenes, she expressed the importance of feeling secure with the director to execute them with confidence. She said: “You have to feel safe to do those things, don’t you? You have to feel secure in the director and you have to trust them, and I trust him completely. It was just all quite embarrassing.”

It was then that The Crown star disclosed her mischievous tactic to maintain modesty while filming the steamy bedroom sequence. She quipped: “So Emma Stone had to f—-r me.”READ MORE: The Crown star Olivia Colman says she would be ‘paid more’ if she was a man

Olivia Colman and Emma Stone shared an intimate scene in 2018’s The Favourite (Image: Getty)

She continued, revealing her clever scheme: “So in order to avoid finding something that you probably shouldn’t because it’s under the sheet [I came up with a plan.] Because she said to me, ‘I’m a little bit worried it’ and I said, ‘Oh don’t worry, don’t worry’.”

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“I said, ‘Oh, I know, I know’, so I asked the makeup department if they had a sponge so I could put it [between my legs].”

She laughed while recalling how Emma recoiled when she touched the wet sponge.Olivia added: “It was a big, wet sponge, and her face was a picture when she put her hand up my leg and found it. I said, ‘Don’t worry, don’t worry, it’s just a sponge’.”