Fergie from Black Eyed Peas - I'm Changing My ENTIRE NAME

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Fergie from Black Eyed Peas
I'm Changing My
Entire Name Fergie Ferg from the Black Eyed Peas is in the middle of a serious identity crisis -- 'cause she's petitioning the court to legally change her FIRST and LAST name ... TMZ has learned.

Ferg -- born Stacy Ann Ferguson -- has filed legal papers requesting to officially change her name to Fergie Duhamel ... roughly 4-and-a-half years after marrying Josh Duhamel.

The reason for wanting to change her last name is obvious ... but in the docs, filed in L.A. County Superior Court, Ferg's lawyer says she wants to swap Stacy for Fergie in order to "conform to the first name which she is commonly and professionally known as, and has been for many years."

In other words ... no one's called her "Stacy" in YEARS.

In order for the court to grant her request, Ferg ... or Stacy (for now) ... must publish a notice in a local newspaper for four consecutive weeks (just like Ron Artest was required to do in order to become Metta World Peace).

She'll most likely get her wish if she completes her task by August 16 -- when a hearing is scheduled for the matter.

Good luck!

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TMZ Live: Lindsay Lohan & Oprah -- Changing Tune on Cocaine Abuse

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TMZ Live
Lindsay Lohan
Changes Tune on Cocaine Lindsay Lohan copped to her booze addiction -- a big first for her -- but as for cocaine use ... she suddenly changed her story with Oprah. Do you think Lilo's being 100% honest? Are you buying that she's really changed this time?

Plus, LeBron James' police escort to the Jay-Z/Justin Timberlake concert ... just because the traffic was bad??? This might be the biggest diva move we've ever seen -- and totally worth of the investigation police launched.

And, P-Funk legend George Clinton has Robin Thicke's back -- he joined us to explain why "Blurred Lines" is not a rip-off of his song or Marvin Gaye's.
(0:00) Tragic breaking news -- actor Lee Thomas Young died of an apparent suicide.
(2:00) Thomas Gibson from "Criminal Minds" was catfished -- and we have the weird video he sent to his fake Internet girlfriend.
(6:00) Lindsay Lohan's interview with Oprah -- some people think she was totally lying through her teeth about her drug use.
(10:00) Robert Pattinson attacks outside of a club, but it looks like he hit the wrong guy.
(15:00) Lebron James gets a police escort to a Jay-Z concert ... and now there's a police investigation over it.
(18:00) George Clinton joins us to explain why he completely disagrees with his publishing company going after Robin Thicke over "Blurred Lines."
(24:00) Jennifer Lopez's boyfriend Casper Smart totally screws up, and reveals she's coming back for "American Idol."
(29:00) "The Biggest Loser" has an non-certified trainer on board -- and former contestant Fredo Dinten joins us to explain why it's a bad idea.
(32:00) Katie Couric apologizes to Kim Kardashian ... and she really shouldn't have.
(34:00) This story is insane -- the lead singer for "The Calling" was abducted and left for dead ... and we have all the details.
(36:00) The floor is yours!
(41:00) Paulina Gretzky is engaged ... and only the guy she said yes to is happy. Get TMZ Breaking News alerts to your inbox