Justin Bieber is the latest celebrity to sign up for a $250,000 voyage into space. The popstar recently signed up for Virgin Galactic, Richard Branson's "space airline," according to its founder. The trip will take Bieber and his manager Scott "Scooter" Braun 62 miles up, reaching the boundary of outer space. Other stars signed up for Virgin Atlantic include Ashton Kutcher and Leonardo DiCaprio. Virgin Galactic has been in development since 2004, and the first commercial flights are expected to begin next year.