She was taking centre stage on the red carpet at the premiere for her latest movie, This Is The End.

But Emma Watson seemed to be worried she was at risk of suffering a sartorial blunder as she posed up a storm among her co-stars at the film’s Los Angeles premiere on Monday night.

The 23-year-old actress appeared to be playing a game of keepy-up with her low-cut corset top as she worked the red carpet at the star-studded event.

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Feeling nervous? Emma Watson seemed to be playing a game of keepy-up with her low-cut corset as she hit the red carpet at the This Is The End Los Angeles premiere on Monday night

Looking somewhat nervous as she held on to her Roland Mouret Fall 2013 peplum number tightly, the Harry Potter star seemed a little preoccupied in ensuring that everything was as it should be.

At one point, the former child starlet appeared to be looking down at her chic ensemble to make sure she wasn’t at risk of an epic fashion faux pas and revealing a little too much flesh.

But after sufficiently adjusting her low-cut top, Emma seemed satisfied that her modesty was in tact and everything was in place, and went on to rock the red carpet like a true professional.

Fearing a fashion faux pas: Looking somewhat nervous as she held on to her Roland Mouret Fall 2013 peplum number tightly, the 23-year-old star seemed a little preoccupied in ensuring that everything was as it should be

All smiles: After suffieciently adjusting her low-cut top, Emma seemed satisfied that her modesty was in tact and everything was in place, and went on to rock the red carpet like a true professional

Everything OK? At one point, the former child starlet appeared to be looking down at her chic ensemble to make sure she wasn’t at risk of an epic fashion faux pas and revealing a little too much flesh

Though the British star has spread her acting wings since her fantasy fiction days in the world of Harry Potter, she looked worlds away from her wizardly alter-ego as she posed up a storm at the premiere.

The 23-year-old actress stars in the upcoming comedy This Is The End as herself, and even the characters in the film refer to her as Hermione.

But the stunning brunette was a far cry from her curly-haired character as she attended the film’s Los Angeles premiere on Monday night.

Tres chic: Emma Watson arrived at the This Is The End Los Angeles premiere on Monday night in a smart black and white ensemble

With her hair straightened and tucked into a faux bob, Emma was the picture of elegance.

She dressed her petite frame in a black-and-white strapless geometric top with angular peplum.

Black cigarette pants by Philip Lim balanced out the girlish top, and platform black satin pumps added a 𝓈ℯ𝓍y touch.

Style star: Emma looked poised and chic in a faux bob and classic make-up

Dressed to thrill: The 23-year-old dressed her petite frame in a black-and-white strapless geometric top with angular peplum

In This Is The End, Emma cameos as herself.

The film centres around several actors attending a party at James Franco’s house and are suddenly faced with the apocalypse.

But in a recent interview, Franco said he was unsure why his house had been chosen as the location.

Co-star love: Emma and Seth Rogen buddied up on the red carpet before heading in to watch the movie

Sophisticated: Emma teamed her dark lipstick with a strong brow and wore her hair in a faux bob

Picture perfect: After years of being in the movie industry, Emma knows which are her best angles

The crew: Actors Paul Rudd, Danny McBride, Craig Robinson, Jay Baruchel, writer/director/actor Seth Rogen, actress Emma Watson and writer/director Evan Goldberg all came together in celebration of their new movie

Meet and greet: Emma signed autographs before heading inside for the screening of the film

He joked: ‘I’m not quite sure why it’s at my house. That’s the other thing, we’re supposed to be in my big mansion, but I don’t have a house. I live in an apartment in New York, a pretty small one, on the Lower East Side.

‘I guess of all of our group, our friends, maybe I’ve branched out into other kinds of movies, so maybe I am the easiest to classify as the Hollywood guy with a big mansion.’

Franco, Jonah Hill, Seth Rogen, Jay Baruchel, Danny McBride and Craig Robinson are the main six characters left to fend for themselves.