Sienna Miller ditches the glamour in favour of T-shirt and trainers as she makes a surprisingly casual exit following another performance of Cat On A Hot Tin Roof

The glamorous departures that have so far defined her hugely successful West End run were surprisingly put on hold as Sienna Miller greeted fans on Saturday evening.

Sporting a casual grey T-shirt and skinny black trousers, the British actress, 35, made an uncharacteristically low-key exit from London’s Apollo Theatre following her latest appearance in Tennessee Williams’ classic play Cat on a Hot Tin Roof.

A pair of white Reebok trainers completed the relaxed ensemble, while a large black leather bag was clutched in her right hand as she made her way towards a waiting car.

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Here she comes: The glamorous departures that have so far defined her hugely successful West End run were surprisingly put on hold as Sienna Miller greeted fans on Saturday evening

Here she comes: The glamorous departures that have so far defined her hugely successful West End run were surprisingly put on hold as Sienna Miller greeted fans on Saturday evening

Flanked by security, the blonde star once again greeted the autograph hunters who have gathered on a near nightly basis in the hope of signatures and selfies.

Reflecting the low-key nature of her look, Sienna – who plays female lead Maggie in the iconic play – opted to style her hair with a conventional centre-parting, while her make-up was selected from a natural colour palette. 

Her latest appearance was in stark contrast to her comparatively glamorous departure from the Apollo on Thursday evening.   

Relaxed: Sporting a casual grey T-shirt and skinny black trousers, the British actress, 35, made an uncharacteristically low-key exit from London¿s Apollo Theatre following her latest appearance in Tennessee Williams¿ classic play Cat on a Hot Tin Roof

Relaxed: Sporting a casual grey T-shirt and skinny black trousers, the British actress, 35, made an uncharacteristically low-key exit from London’s Apollo Theatre following her latest appearance in Tennessee Williams’ classic play Cat on a Hot Tin Roof

Wearing a feminine jumpsuit the star stunned as she exited the theatre and made hr way past her adoring fans, flashing just a hint of her bra.

The Factory Girl actress wore a maroon and white jumpsuit featuring a floral pattern and three pearlescent buttons at the front. 

The blonde bombshell's simple outfit showcased her enviably slender frame, hugging her in all the right places.

Sienna completed her ensemble with a pair of black leather loafers and a rust coloured bag with contrasting suede and leather elements. 

Simply stunning: Siennashowcased her slender frame in a patterned jumpsuit as she left the Apollo on Thursday evening following a performance of Cat On A Hot Tin Roof

Simply stunning: Siennashowcased her slender frame in a patterned jumpsuit as she left the Apollo on Thursday evening following a performance of Cat On A Hot Tin Roof

Keeping it casual: A Cat On A Hot Tin Roof actress paired her jumpsuit with black leather loafers and a rust coloured bag with suede and leather elements

Keeping it casual: A Cat On A Hot Tin Roof actress paired her jumpsuit with black leather loafers and a rust coloured bag with suede and leather elements

She stylishly wore her glossy blonde locks in a top knot, leaving tresses of her hair to fall around her shoulders, which she tucked behind her ears. 

The Layer Cake actress highlighted her eyes with a swish of mascara and a touch of smudged black liner.

Keeping her accessories simple, but effective, she wore four silver earrings to complete the look.

Looking good: On Wednesday evening the star wowed as she left The Apollo following her performance in a candyfloss pink jumper and mustard pumps with a fluffy sky blue pom-pom

Looking good: On Wednesday evening the star wowed as she left The Apollo following her performance in a candyfloss pink jumper and mustard pumps with a fluffy sky blue pom-pom

Shake your pom pom in Sienna's mules by Trademark

When it comes to fashion icons, Sienna Miller is up there with the best of the best.

She's currently starring in Cat On A Hot Tin Roof, and her stage door style is second to none. From Rockins pyjamas and Adidas slides to Gucci loafers and Chanel T-shirts, she really does get it right every time.

On this occasion, she showed us how to jazz up an autumnal jumper and jeans combo by adding these statement mules, which are by Trademark. Between the marabou feather pom poms, low wedge heel and mustard shade, there certainly is a lot going on here! The brand is relatively new and is the brainchild of Tory Burch’s stepdaughters Pookie and Louisa so make sure it's on your radar.

Click (right) to buy Sienna's exact shoes at Farfetch, or if you're feeling inspired, check out our more budget-friendly buys below. These Zara shoes are sure to ruffle a few feathers!

* PRICES MAY NOT BE AS ADVERTISED

On Wednesday evening she wowed in a candyfloss pink jumper and mustard pumps, as she exited the Apollo following her performance.

Sienna's casual looks are world's away from the sultry character she portrays in A Cat On A Hot Tin Roof.

The critically acclaimed play will soon come to close on 9 October after three months of excellent reviews.