Banned in Cannes: Stars who gave high heels the boot

After allegations that the Cannes Film Festival has banned women without high heels, we look at outfits at other awards ceremonies that would not have made the cut.

From the Grammys to the Oscars, there is a fine tradition of actresses choosing to keep it flat on the red carpet.

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Kristen Stewart

Actress Kristen Stewart attends the 'Camp X-Ray' premiere at Eccles Center Theatre during the 2014 Sundance Film Festival 17 January 2014Getty Images

Based in snowy Utah, the Sundance Film Festival traditionally has a more casual look than other award ceremonies...

Kristen Stewart at CannesMichael Buckner

....But at Cannes, heels are de rigueur for the Twilight star

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Helen Mirren

Helen Mirren attends The 2015 Tony Award Nominees Meet And Greet at the Paramount Hotel on 29 April 2015Getty Images

Although a heel aficionado at Cannes, Helen Mirren borrowed a style reference from her Oscar-winning role in The Queen at the Tony Theatre Awards

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Melissa Rauch

Actress Melissa Rauch attends 'The Bronze' Premiere at the Eccles Center Theatre during the 2015 Sundance Film Festival 22 January 2015Getty Images

Big Bang Theory star Melissa Rauch also got into the alpine spirit at the Sundance Film Festival

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M.I.A

M.I.A. (Maya Arulpragasam) poses in the press room during the 51st Annual Grammy Awards held at the Staples Center 8 February 2009Jason Merritt

A pregnant M.I.A brought white trainers to the Grammys, parading them on the red carpet before performing on stage

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Liza Minnelli

Actress Liza Minnelli attends the Oscars at Hollywood & Highland Center 2 March 2014Getty Images

Liza Minnelli kept it simple at the most glamorous event of all - The Oscars

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Ellen DeGeneres

Host Ellen DeGeneres speaks onstage during the Oscars at the Dolby Theatre 2 March 2014Getty Images

And of course, with a no-heels policy, Ellen wouldn't have been able to present the Oscars in 2014

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Emma Thompson

Emma Thompson holds her shoes at the Golden Globes 12 January 2014Getty Images

And Emma Thompson famously couldn't bear wearing her heels for a moment longer at the Golden Globes: "I just want you to know, this red? It's my blood."