Rebel Wilson ignores Mean Girls' iconic pink dress code in a black Gucci T-shirt as she joins Katherine Ryan at the West End musical press night

Rebel Wilson decided to ignore Mean Girls' iconic pink dress code as she arrived for the press night of the West End musical on Wednesday. 

The actress, 44, opted instead for a black Gucci T-shirt as she arrived dressed head to toe in designer at the Savoy Theatre in London. 

Katherine Ryan, 40, joined Rebel on the hot pink carpet and channelled Regina George's mum in a velour tracksuit. 

Rebel teamed her Gucci T-shirt with a black Chanel handbag and jeans which showed off her slender frame after her dramatic 80lbs weight loss

The Pitch Perfect star put on an animated display as she posed for photographs. 

Rebel Wilson decided to ignore Mean Girls' iconic pink dress code as she arrived for the press night of the West End musical on Wednesday 

The actress, 44, opted instead for a black Gucci T-shirt as she arrived dressed head to toe in designer alongside Katherine Ryan (right) at the Savoy Theatre in London

The Pitch Perfect star put on an animated display as she posed for photographs

Katherine, meanwhile, recreated one of the film's scenes with her daughter Violet, 15, as she brought along a camcorder. 

In the film, Regina's mum films the girls doing Jingle Bell Rock dance routine in front of the school. 

The blonde beauty is mother to Violet from with ex Alex Edelman, and Fred, two, and Fenna, 17 months, husband Bobby Kootstra. 

Elsewhere, Great British Bake Off star Candice Brown, 39, put on a leggy display in a babydoll hot pink minidress. 

Big Brother star Imogen Thomas, 41, took her two daughters to the show.

Sugababes singer Heidi Range, 41, EastEnders' Louisa Lytton, 35, and former Strictly judge Arlene Phillips, 81, also hit the pink carpet. 

The hit Broadway musical is based on the iconic 2004 film starring Lindsay Lohan, Rachel McAdams, Amanda Seyfried and Lacey Chabert. 

The musical was created by Tina Fey, who wrote and starred in the movie, as well as composer Jeff Richmond, lyricist Nell Benjamin and director and choreographer Casey Nicholaw and debuted in Washington D.C. in 2017 and Broadway in 2018.

Rebel teamed her Gucci T-shirt with a black Chanel handbag and jeans which showed off her slender frame after her dramatic 80lbs weight loss

Katherine, meanwhile, recreated one of the film's scenes with her daughter Violet, 15, as she brought along a camcorder

In the film, Regina's mum films the girls doing Jingle Bell Rock dance routine in front of the school

Elsewhere, Great British Bake Off star Candice Brown, 39, put on a leggy display in a babydoll hot pink minidress

Imogen Thomas, 41, turned heads in a strapless pink corset and satin trousers 

The Big Brother star took her two daughters Ariana and Siera to the show

David Tennant made a rare appearance with his daughter Olive, 13

Heartstopper actress Yasmin Finney, 20, put on a leggy display in a rushed velvet minidress and toted her essetails in a stylish Coach Cargo Tabby bag

Tina Fey, 54, rocked a pale pink blazer with light-wash jeans and loafers. The musical was created by Tina, who wrote and starred in the movie

Abbie Quinnen, 27,showed off her dancer figure in a strapless white minidress and matching heels

Model Hannah Cooper, who is married to Joel Dommett, looked lovely in florals while Sugababes singer Heidi Range opted for a wrap over dress 

Celebrity Big Brother winner David Potts showed off his tan with his signature oversized blazer and hotpants look 

Elizabeth Day cut a stylish figure in a one-shouldered white top and jeans  while former EastEnders star Louisa Lytton (right) flashed her abs in a green co-ord 

Arlene Phillips rocked a green Prada handbag to the show 

It tells the story of a trio of popular teenage girls called The Plastics, made up of Regina, Gretchen and Karen, who rule North Shore High school

 The hit Broadway musical is based on the iconic 2004 film starring Lindsay Lohan, Rachel McAdams, Amanda Seyfried and Lacey Chabert

The musical was created by Tina Fey, who wrote and starred in the movie, as well as composer Jeff Richmond, lyricist Nell Benjamin and director and choreographer Casey Nicholaw and debuted in Washington D.C. in 2017 and Broadway in 2018.

It tells the story of a trio of popular teenage girls called The Plastics, made up of Regina, Gretchen and Karen, who rule North Shore High school.

 Home-schooled Cady Heron may think she knows a thing or two about survival of the fittest thanks to her zoologist parents, but high school is a whole new level of savage.

When Cady devises a plan to end Regina's reign, she learns the hard way that you can't cross a queen bee without getting stung.

Speaking about the announcement, Tina said: 'We’re so excited to bring MEAN GIRLS to London, where everyone already knows what Regina means.'

Producers Lorne Michaels and Sonia Friedman added: 'MEAN GIRLS is a timeless comedy that for decades has connected with generations of audiences across the globe.

'Having worked together for several years on this production, we are immensely proud and excited to be bringing this stage musical, led by this incredible writing and creative team, to London’s Savoy Theatre.'

David Ian, CEO of Crossroads Live, said: 'I’m beyond thrilled to have been asked to sit with Lorne Michaels and Sonia Friedman to produce Tina Fey’s iconic MEAN GIRLS. London audiences are in for a real treat.'