Nicki Minaj was born Onika Tanya Maraj. (Photo: Instagram, @nickiminaj)
Natalie Portman was born Natalie Hershlag. (Photo: Instagram, @natalieportmanlove)
Katy Perry was born Katheryn Elizabeth Hudson. (Photo: Instagram, @katyperry)
Miley Cyrus was born Destiny Hope Cyrus. (Photo: Instagram, @mileycyrus)
Freddie Mercury was born Farrokh Bulsara. (Photo: Instagram, @freddiemercuryy)
Tom Cruise was born Thomas Cruise Mapother, IV. (Photo: Instagram, @tomcruiseofficial_)
Steven Tyler was born Steven Tallarico. (Photo: Instagram, @iamstevent)
Alicia Keys was born Alicia Augello Cook. (Photo: Instagram, @aliciakeys)
Bob Dylan was born Robert Allen Zimmerman. (Photo: Instagram, @bob.dylan)
Portia de Rossi was born Amanda Lee Rogers. (Photo: Instagram, @portiaderossi)
Marilyn Monroe was born Norma Jeane Mortenson. (Photo: Instagram, @marilynmonroe)
Elton John was born Reginald Kenneth Dwight. (Photo: Instagram, @eltonjohn)
Jamie Foxx was born Eric Marlon Bishop. (Photo: Instagram, @jamiefoxx_fanpagee)
Meg Ryan was born Margaret Mary Emily Anne Hyra. (Photo: Instagram, @portermagazine)
Woody Allen was born Allen Stewart Konigsberg. (Photo: Instagram, @sensualcoach)
We recently revealed 15 of the craziest names celebrities have come up with for their children, but it seems the crazy christenings start with themselves sometimes.
Here is a list of 15 well-known celebrities who have real names that are way less glamorous than what we know them by.