Here's why some stars have flat out said no to nudity. "That really makes me angry." Still others refuse to do it altogether. "It's meant to be a dramatic scene and part of a story," she said. The actress was asked to do one on The Brothers Grimsby, but opted to get. Rebel Wilson will do almost anything for a laughexcept get naked. In Marie Claire 's July issue, cover star Rebel Wilson explained why she doesn't do nude scenes. Natalie Portman told MTV in 2007 that while she has no regrets about appearing nude for a film, what bothers her is when those scenes wind up on porn sites. The Real Reason Rebel Wilson Refuses To Do A Nude Scene. While Winslet has said that her reason for doing nudity - aside from it being right for the character - is that she hopes her self-professed average appearance will be "something that makes women feel empowered," other actors are less inclined to be so free. Along with a video in which shes costumed like a waitress. The Pitch Perfect star who last year overhauled her health and fitness habits simply ditched her top to soak up the rays in a nude-toned bra on Saturday in England. Rebel Wilson took to Instagram on Sunday to reveal this will be the last that her followers will see of her on social media for awhile. Theres always time for a spot of sunbathing when youre Rebel Wilson, even if there isnt a swimsuit to hand. After all, if an Academy Award winner like Kate Winslet can bare all for the camera, it isn't as though getting naked is going to tarnish an actor's reputation. Rebel Wilson sunbathes in nude bra on filming break in the UK. Over the years, the prevalence of onscreen nudity has increased as the stigma against it has decreased. rebel-wilson-named-next-big-thing-by-details-magazine-03.jpg (228.03 KiB) Viewed 5472 times rebel-wilson-mermaid784x0.jpg (47.81 KiB) Viewed 5472 times images.jpg (8.36 KiB) Viewed 5472 times 221693-lauren-ash-rebel-wilson-and-liza-lapira-in-a-scene-from-super-fun-night-.jpg (67. Half a century ago, taking off your clothes for a role probably meant you were in a genre piece that had to something to do with a mummy's tomb, some werewolves, or Roger Corman.