At 27 years old, Michael Phelps has already won 16 Olympic medals - 14 gold and two bronze.
The world's most successful Olympian he has now shown the world that, when his swimming career dries up, he may have a chance of 'musical' stardom.
Phelps, along with the rest of the USA swimming team, has appeared in a video cover of Carly Rae Jepsen's hit single 'Call Me Maybe'.
