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Published: 17:15 BST, 3 May 2015 | Updated: 21:42 BST, 3 May 2015
On May 12 she will make her West End debut in a play about the 'bad boy of British fashion' Alexander McQueen.
And on Sunday Dianna Agron excitedly shared a new poster for the stage show at St. James Theatre in London showing her posing alongside Stephen Wright who will play the tragic fashion designer who committed suicide in 2010.
The former Glee actress took to Twitter to show followers the artwork saying: 'Have you seen our new posters? I've heard they are popping up underground.'
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West End debut: Dianna Agron revealed a new poster for her new play in London about tragic fashion designer Alexander McQueen
The 29-year-old star is seen in a short black wig and draped in black tulle as she stands in front of British co-star Wight, 35.
In another image the blonde beauty appears to be wearing a strapless gown as she gazes off to the side, which she captioned: 'One week from Tuesday. Dahlia'
The theatre's website describes McQueen as 'a beautiful and haunting voyage into the visionary imagination and dark dream world of the late Alexander McQueen, fashion’s greatest contemporary artist.'
Mysterious girl: Agron plays Dahlia, a fan of McQueen (played by Stephen Wight) who breaks into his home to steal a dress and ends up on a night long adventure with the designer
Tragic: McQueen committed suicide in 2010 age 40 after suffering depression
It adds 'this is an insight into the fairytale landscape of McQueen’s genius, as glimpsed at in his iconic fashion shows.'
The stage show takes its inspiration from a quote the legendary designer made in 2008 where he revealed he made up a story about a girl who lives in a tree in his garden 'and comes out of the darkness to meet a prince and becomes a queen'.
The cast also includes UK soap star Tracy-Ann Oberman (EastEnders) who will play McQueen's friend and fellow designer Isabella Blow.
Across the pond: The blonde beauty is currently staying in London for rehearsals and made an appearance on The Paul O'Grady Show on Monday
Chat show: The 29-year-old actress sat down to talk with Paul O'Grady to promote her debut West End performance
The production, by James Phillips, is set on a single night in London when Agron's character breaks into McQueen's home to steal a dress but ends up criss-crossing London with him.
McQueen, who was known as Lee to friends and family, grew up in the city's East End.
He was aged 40 when he killed himself the day before his mother's funeral after struggling with depression.
Agron is best known for playing Quinn Fabray in musical comedy Glee and has also gone on to star in a number of films including 2011's I Am Number Four and The Family opposite Robert De Niro in 2013.
Troubles icon: The British designer - pictured with Kate Moss in 1991 - died nine days after his mother Joyce had died from cancer at the age of 75