At first glance it looks like an old photo of screen legend Marilyn Monroe but on closer inspection something's not quite right.
Well, Marilyn wouldn't have worn such a cheap wig for starters.
Or been seen out with that handbag.
So who is it?
Step forward (and take a bow)... Lady Gaga.
Gaga posted the old snap of her in high school on her official Facebook page with the message: "Some things never change...here's a photo of me in high school in the school play (set that wig + did my own makeup!) ."
Yeah right Gaga - like you still do your own make-up, love.
> IN PICS: CELEBS BEFORE THEY WERE FAMOUS
Before They Were Famous
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Helen Flanagan (credit:WENN)
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Emeli Sande (credit:WENN)
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Jason Statham (credit:WENN)
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Rihanna (credit:WENN)
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Nicki Minaj (credit:WENN)
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Alexa Chung (credit:WENN)
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Jack Whitehall (credit:WENN)
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Nathan Sykes (The Wanted) (credit:WENN)
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Sophie Anderton (credit:WENN)
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Catherine Zeta Jones (credit:WENN)
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Hugh Grant (credit:WENN)
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Kate Garraway (credit:WENN)
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David Beckham (credit:WENN)
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Simon Cowell (credit:WENN)
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Dannii Minogue (credit:WENN)
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Cameron Diaz (credit:WENN)
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Jay Kay (Jamiroquai) (credit:WENN)
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Elizabeth Hurley (credit:WENN)
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Julianne Moore (credit:WENN)
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Cindy Crawford (credit:WENN)
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Billie Piper (credit:WENN)
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Ellen DeGeneres (credit:WENN)
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Denise Van Outen (credit:WENN)
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Avril Lavigne (credit:WENN)
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Amy Winehouse (credit:WENN)
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George Clooney (credit:WENN)
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Ashton Kutcher (credit:WENN)
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Gwen Stefani (credit:WENN)
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Gail Porter (credit:WENN)
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Gwyneth Paltrow (credit:WENN)
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Heidi Klum (credit:WENN)
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Matthew McConaughey (credit:WENN)
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Jamie Foxx (credit:WENN)
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Richard Gere (credit:WENN)
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Jennifer Lopez (credit:WENN)
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Robert Downey Jnr (credit:WENN)
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Jennifer Biel (credit:WENN)
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Sigourney Weaver (credit:WENN)
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Joanna Lumley (credit:WENN)
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Tina Turner (credit:WENN)
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Katie Holmes (credit:WENN)
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LeAnn Rimes (credit:WENN)
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Kylie Minogue (credit:WENN)
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Michelle Pfeiffer (credit:WENN)
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Mariah Carey (credit:WENN)
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Nicole Kidman (credit:WENN)
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Paula Abdul (credit:WENN)
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Enrique Iglesias (credit:WENN)
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Shakira (credit:WENN)
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Sinead O'Connor (credit:WENN)
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Tobey Maguire (credit:WENN)
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Tyra Banks (credit:WENN)
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Victoria Beckham (credit:WENN)
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Eminem (credit:WENN)
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Kelly Brook (credit:WENN)
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Sarah Jessica Parker (credit:WENN)
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Kate Hudson (credit:WENN)
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Britney Spears (credit:WENN)
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Duncan James (Blue) (credit:WENN)
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Usher (credit:WENN)
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Dermot O'Leary (credit:WENN)
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Jude Law (credit:WENN)
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Christina Aguilera (credit:WENN)
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Demi Moore (credit:WENN)
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Wayne Rooney (credit:WENN)
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Matt Lucas (credit:WENN)
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Angelina Jolie (credit:WENN)
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Brad Pitt (credit:WENN)
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Reese Witherspoon (credit:WENN)
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George Michael (credit:WENN)
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Nadine Coyle (Girls Aloud) (credit:WENN)
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Robbie Williams (credit:WENN)
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Charlize Theron (credit:WENN)
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Jake Gyllenhaal (credit:WENN)
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Marcia Cross (Desperate Housewives) (credit:WENN)
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Daniel Radcliffe (credit:WENN)
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Holly Willoughby (credit:WENN)
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Tess Daly (credit:WENN)
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Kym Marsh (credit:WENN)
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Jon Bon Jovi (credit:WENN)
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Cheryl Cole (credit:WENN)
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Hilary Swank (credit:WENN)
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Kimberley Walsh (Girls Aloud) (credit:WENN)
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Jerry Hall (credit:WENN)
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Peter Andre (credit:WENN)
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Gethin Jones (credit:WENN)
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Ashlee and Jessica Simpson (credit:WENN)
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Katy Perry (credit:WENN)
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Lady Gaga (credit:WENN)
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Renee Zellweger (credit:WENN)
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Janet Jackson (credit:WENN)
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Matt le Blanc (credit:WENN)
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Pamela Anderson (credit:WENN)
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Beyonce (credit:WENN)
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Christian Bale (credit:WENN)