The Expendables III's world premiere is taking place in the UK capital tonight, with stars including Sylvester Stallone and Arnold Schwarzenegger expected to be in attendance.

We're hoping for a full-on waltz up the red carpet...

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Dave J Hogan/Getty Images for Lionsgate


Stallone, Wesley Snipes, Antonio Banderas, Kellan Lutz and Jason Statham attended a press conference ahead of the screening at the Corinthia Hotel in the capital this afternoon (August 4), where the Rocky star explained the movie's PG-13 rating.

To celebrate the third instalment of the action adventure, we're imagining a prequel by travelling back in time to bring you some classic photographs of the film's main stars.

So here are 15 heyday snaps of Stallone, Schwarzenegger, Snipes and Lundgren looking like young, bicep-bulging mean machines.

Be prepared...

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1. Arnold Schwarzenegger as a young whippersnapper bodybuilder back in 1967... The actor flexes his biceps and eye-wateringly explosive-looking pectorals in an advertisement for a German protein product.

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Hulton Archive/Getty Images


2. Arnie shows off his sculpted torso and powerful thighs in a pair of floral trunks as he aptly poses near Muscle Beach in Santa Monica around '68.

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Hulton Archive/Getty Images


3. Young bodybuilder Schwarzenegger wins a stone-lifting contest in Munich back in the late '60s.

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Michael Ochs Archives/Getty Images


4. Arnie casually lifts a barbell as he stands on the bottom of a pool and a topless woman swims past, circa 1977.

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Michael Ochs Archives/Getty Images


5. Arnie's pose and the Austrian Alps in the background really make this black and white portrait of the star.

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Michael Ochs Archives/Getty Images


6. Sly Stallone gives us an eyeful in a pair of sparkling white Speedos (or y-fronts?) during a portrait back in 1985.

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Donaldson Collection/Michael Ochs Archives/Getty Images


7. Stallone looks as though he may have borrowed Brigitte Nielsen's fur coat as he arrives at a hotel in LA back in the '80s.

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Ron Galella/WireImage


8. Stallone swaps his white Speedos for a more modest navy-blue pair as he collects the morning paper and waves to photographers outside his former Malibu home, back in 1979.

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Ron Galella/WireImage


9. Stallone makes Simon Cowell's jeans look low-hung, as he arrives for a boxing match back in'82.

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Ron Galella/WireImage


10. Dolph Lundgren dons a pair of jeggings and shows us what he's got (quite literally) as he does the splits during a work-out session in 1985.

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REX/Sharok Hatami


11. Ditto.

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REX/Sharok Hatami


12. Lundgren gently tenses his biceps as he poses by a pool.

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REX/Sipa Press


13. Lundgren looks absolutely humongous as he towers over singer Dale Bozzio.

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Kevin Winter/DMI/The LIFE Picture Collection/Getty Images


14. Wesley Snipes looks sharp in double denim in Los Angeles back in '96.

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Ron Galella, Ltd./WireImage


15. The late, great Patrick Swayze admires Wesley Snipes's style at the To Wong Foo premiere party at Planet Hollywood in 1995.

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Naomi Gordon is news writer mainly covering entertainment news with a focus on celebrity interviews and television.