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Dr Walrdron's subjects have previously included Princess Diana, Marilyn Monroe as well as celebrity babies including Shiloh Jolie Pitt and Suri Cruise and North West.

And her latest portraits show a boy and a girl- perhaps in a nod to Beyonce wearing a pink bra and blue knickers in her post.

The girl appears to have Beyonce's hazel eyes, her contoured nose and Jay Z's fuller lips, while the male twin seems to have Jay Z's features, but with Beyonce's smaller lips.