Quiz: Before They Were Famous: Can You Guess These 15 Celebs Real Names

While trends may come and go, one thing that’s never gone out of style is developing a unique persona with the help of a cool stage name. Even now, when social media means celebrities can  be more authentic and accessible than ever, some stars still switch their given names for shorter or more-memorable titles, while some completely wipe the slate clean with brand-new monikers.

Back in the day, even greats like "Float like a butterfly, sting like a bee" Muhammed Ali changed his name for religious reasons. The rest is history.

Do you know the original names of these icons?