Oh the things some people have to do for fame. Ever thought that a celebrity was destined for stardom purely because they were simply born with a cool name? Think again. Chances are it's not their real moniker. Here's a list of names and the celebrities they once belonged to... Some of these real names are shocking: just wait till you get to Helen Mirren.

Laura Jeanne Reese Witherspoon aka Reese Witherspoon


Nikolina Konstantinova Dobreva aka Nina Dobrev


Eric Marlon Bishop aka Jamie Foxx


Katherine Litwack aka Kat Dennings


Karen Lucille Hale aka Lucy Hale


Ella Maria Lani Yelich-O'Connor aka Lorde


Carlos Irwin Estevez aka Charlie Sheen


Emily Jean Stone aka Emma Stone


Onika Tanya Maraj aka Nicki Minaj


Peter Gene Bayot Hernandez aka Bruno Mars


Audrey Faith Perry aka Faith Hill


Amanda Lee Rogers aka Portia De Rossi


Elizabeth Woolridge Grant aka Lana Del Rey


Stefani Joanne Angelina Germanotta aka Lady Gaga


Reginald Kenneth Dwight aka Elton John


Tara Leigh Patrick aka Carmen Electra


Declan Patrick MacManus aka Elvis Costello


Katheryn Elizabeth Hudson aka Katy Perry


Elizabeth Stamatina Fey aka Tina Fey


Mark Sinclair Vincent aka Vin Diesel


Heather Renée Sweet aka Dita Von Teese


Ilyena Lydia Vasilievna Mironoff aka Helen Mirren


Robyn Rihanna Fenty aka Rihanna


Norma Jean Mortenson aka Marilyn Monroe


Caryn Elaine Johnson aka Whoopi Goldberg