Sacha Baron Cohen forgot his pants at the premiere of his movie

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Sacha Baron Cohen showed up to the premiere of his new film "The Brothers Grimsby" in full character on Monday, which apparently meant that he didn't need to wear pants.

That's right: Baron Cohen arrived pantsless in London as the character Nobby.

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Well, that's not exactly true. He did wear a short bathrobe when he got out of a taxi at the start of the red carpet, but he quickly ditched the white frock to reveal his true outfit for the evening: A gray turtleneck tucked into baby blue briefs and a gun holster.

Cohen completed the high-fashion look with aggressive sideburns that almost met at his chin. He was also holding a beer.

His look was particularly striking when compared to what his wife and costar, Isla Fisher, wore. The actress looked elegant in an emerald green, figure-hugging gown.

See photos Sacha Baron Cohen's pantsless premiere look here:
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Sacha Baron Cohen pantsless at Brothers Grimsby premiere
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Sacha Baron Cohen forgot his pants at the premiere of his movie
LONDON, ENGLAND - FEBRUARY 22: Nobby aka Sacha Baron Cohen arrives for the World premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Mike Marsland/WireImage)
LONDON, ENGLAND - FEBRUARY 22: Sacha Baron Cohen attends the World premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - FEBRUARY 22: Sacha Baron Cohen attends the World premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - FEBRUARY 22: Sacha Baron Cohen and Isla Fisher attend the World premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - FEBRUARY 22: Mark Strong and Sacha Baron Cohen attend the World premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Dave J Hogan/Getty Images)
LONDON, ENGLAND - FEBRUARY 22: Sacha Baron Cohen and Grimsby girls attend the World premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Dave J Hogan/Getty Images)
LONDON, ENGLAND - FEBRUARY 22: Nobby aka Sacha Baron Cohen arrives for the World premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Mike Marsland/WireImage)
LONDON, ENGLAND - FEBRUARY 22: Nobby aka Sacha Baron Cohen arrives for the World premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Mike Marsland/WireImage)
LONDON, ENGLAND - FEBRUARY 22: Sacha Baron Cohen attends the World premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Dave J Hogan/Getty Images)
LONDON, ENGLAND - FEBRUARY 22: Sacha Baron Cohen attends the World premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - FEBRUARY 22: Sacha Baron Cohen attends the World premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Dave J Hogan/Getty Images)
LONDON, ENGLAND - FEBRUARY 22: Sacha Baron Cohen attends the World premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - FEBRUARY 22: Mark Strong and Sacha Baron Cohen attend the World premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - FEBRUARY 22: Sacha Baron Cohen and Mark Strong attend the world premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Fred Duval/FilmMagic)
LONDON, ENGLAND - FEBRUARY 22: Mark Strong, Johnny Vegas, Annabelle Wallis, Ricky Tomlinson, Sacha Baron Cohen, John Thompson, Isla Fisher, Louis Leterrier and Gabourey Sidibe attend the World premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Dave J Hogan/Getty Images)
LONDON, ENGLAND - FEBRUARY 22: Sacha Baron Cohen attends the World Premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by David M. Benett/Dave Benett/WireImage)
LONDON, ENGLAND - FEBRUARY 22: Sacha Baron Cohen as character Norman 'Nobby' Grimsby attends the world premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Fred Duval/FilmMagic)
LONDON, ENGLAND - FEBRUARY 22: Sacha Baron Cohen as character Norman 'Nobby' Grimsby attends the world premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Fred Duval/FilmMagic)
LONDON, ENGLAND - FEBRUARY 22: Sacha Baron Cohen as character Norman 'Nobby' Grimsby attends the world premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Fred Duval/FilmMagic)
LONDON, ENGLAND - FEBRUARY 22: Sacha Baron Cohen as character Norman 'Nobby' Grimsby attends the world premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Fred Duval/FilmMagic)
LONDON, ENGLAND - FEBRUARY 22: Sacha Baron Cohen as character Norman 'Nobby' Grimsby attends the world premiere of 'Grimsby' at Odeon Leicester Square on February 22, 2016 in London, England. (Photo by Fred Duval/FilmMagic)
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