Can you guess who's who? Terrifying pics of age-progressed celebrities as senior citizens with Miley looking a little over-twerked Expert photoshoppers take a look at what the years have in store Miley, Leonardo and Angelina get a glimpse of what the future holds They are some of the most recognisable faces in the world. But can you spot the celebrity behind the laughter lines and mass of grey hair? These A-listers work hard at looking their best, employing nutritionists to craft calorie-counting diets and personal trainers to put them through grueling exercise regimes to try and stop the clock on the dreaded ageing process. Image manipulation experts at Worth1000.com have given us a glimpse of how the years may treat Titanic star Leonardo DiCaprio, left. And right, how Miley Cyrus may look in years to come Leonardo DiCaprio and Miley Cyrus looking more youthful in recent shots on the red carpet How reality TV star Kim Kardashian could look after years of motherhood have taken their toll Not a grey hair or wrinkle in sight... Kim Kardashian as she is now Harry Potter star Emma Watson left, as imagined in her golden years. And right, looking more like her 23 years Singer-songwriter Madonna in years to come, left. And the 55-year-old as she is now, right Meanwhile some take more drastic measures, resorting to a little nip and tuck on the surgeon's table. Image manipulation experts at Worth1000.com have peered into the future and given a glimpse of what the years may have in store for these well-known faces, fastocreate.com reported. From Leondardo DiCaprio to Miley Cyrus, Megan Fox to Madonna the images were created for the website's 'Fountain Of Age' contest. Siren Megan Fox, left, looks like she could bear a striking resemblance to British actress Helen Mirren. And right, the years appear to be kind to Tommy Lee-Jones Angelina Jolie, left, and Scarlett Johansson, right, growing old gracefully The images were created by the site's skilled photoshoppers, each taking a well-known face and adding laughter lines, furrowed brows, grey hair, crow's feet and sagging skin to create their entry. The contest aims to test the users' Photoshop prowess. Past competitions have seen the experts turn stars into renaissance masterpieces, and leading men into leading ladies. But for the latest batch of photos the future was the inspiration, and the results show the years may be kinder to some. Age has taken its toll on Naomi Watts, left. And right The Doctor... star of the cult show Doctor Who, Matt Smith Another entry in the Fountain Of Age contest gives an alternative look at how Scarlett Johansson might look when the years catch up with her Heart throb George Clooney , left, and one of the greatest heavyweight boxers in the world Muhammad Ali, right