[ad_1] In her new film Babygirl, Nicole Kidman pushes the boat out. At 57, she gets on all fours, at the request of Harris Dickinson, who plays a young intern at the tech company run by her character. She laps up cream from a saucer during one of their assignations. Sexually unfulfilled by her husband (Antonio Banderas), she watches pornography while the camera holds tight on her face in close-up, capturing every juddering spasm of pleasure. She also gets hold of one of Dickinson’s ties, discarded at a party, and practically eats it. None of this should actually come as a surprise, still less a jaw-dropping revelation. Kidman has always been one of the most physically unafraid of Hollywood’s A-list female stars. This is the same actress, after all, who was famously dubbed “pure theatrical Viagra” by this newspaper’s then-theatre critic, Charles Spencer, when she disrobed for her British stage debut, David Hare’s The Blue Room, at the Donmar Warehouse in 1998. Kidman’s risk-taking in sexually adventurous roles goes well beyond just nudity, though. The …