Going sheer: Scarlett Johannson showed off her bump in a daring dress for the Captain America: The Winter Soldier premiere on Thursday in Los Angeles

Wearing her golden locks in a flowing waves over her shoulders, the actress sported drop earrings black lacy stilettos as she showed off her fabulous figure in a sheer corset and tight pencil skirt for the big night.

Scarlett has kept mum about the pregnancy but it seems that others aren’t quite so tight-lipped as Marvel Studios President of Production confirmed her maternity in an interview about The Avengers: Age of Ultron’ script.

Kevin Feige told Collider.com: ‘Well my first reaction was I was very happy for her and very excited for her.

Showing her good side: Marvel producers have confirmed that the 29-year-old is pregnant

Glowing: The blonde bombshell looked ravishing for her evening out

‘My second reaction was we’ve got to move some pieces on the chess board around schedule-wise. But we didn’t change the script at all, which is sort of the most important things for us in terms of the storyline.’

Feige comments confirmed reports the 29-year-old actress is due to welcome her first child into the world with her fiancé Romain Dauriac, 31, her due date is reported to be in August.

Showing off her pregnancy figure: Scarlett displayed her lacy sheer ensemble

Contrast: The star’s bump was even more prominent as she posed next to a what appeared to be a photoshopped poster for the film

A fellow Avenger: Scarlett posed next to Colbie Smulders

While Scarlett hasn’t made a public declaration about her happy news Feige admitted they aim to hide the blonde beauty’s bump so viewers will ‘never know’ Black Widow – also known as Natasha Romanoff – was pregnant when they shoot scenes for the upcoming movie.

The film producer said: ‘I think the goal is for us to sit here talking about the fact that you would never know that Black Widow was pregnant during the filming of the movie when you see the final version of ‘Avengers 2’.”

Feige comments came ahead of Scarlett’s appearance at the Captain America: The Winter Soldier press conference in Beverly Hills on Wednesday.

Red carpet duel: Chloe Bennet (L) had a showdown with Kelli Berglund (R)

Bearded: Chris Evans made a scruffy arrival

His first love: Evans took his mother as his date to the star-studded event

Wearing a baggy applique, sheer cream top and a matching clean-cut cream blazer, the star detracted attention away from any signs of a baby bump.

Although the star has yet to confirmed the pregnancy. A source has told Us Weekly: ‘She’s about four months along. The baby was a welcome surprise!’

Another insider added to the publication: ‘She’s just excited to share the news!’

The battle of the strapless dresses: Colbie Smulders (L) looked ravishing as Elizabeth Henstridge (R)  made a similar choice in attire

All that glitters: Emily VanCamp arrived in a sparkly number

Stars roll out: Seth Green and his pretty wife Claire Grant arrived to the red carpet wearing big smiles

TMZ claimed that she is five months along, which if true would mean she fell pregnant just one month after now-fiancé Romain Dauriac proposed with a vintage Art Deco diamond engagement ring.

Access Hollywood reporter Liz Hernandez posted a picture of herself with the star at the conference, saying: ‘Hangin’ with Scarlett Johansson.’

While Liz sat with her toned midriff out, Scarlett didn’t give anything away in her perfectly positioned baggy top and bright blazer.

The backwards glance: Jessica Szolo (L) wore a strappy number as Olivia Holt (R) opted for a lacy ensemble reminiscent of old Hollywood glamour

Fancy meeting you here: Evans and Frank Grillo bro’d down on the red carpet

Positively joyful: Ming-Na Wen was fetching in an orange and peach ensemble

Ever the gracious star: The action hero posed for snaps with adoring fans

During the press conference Scarlett sat behind a table and looked picture perfect as she spoke about her role in the Hollywood blockbuster.

The star’s also been discussing her role in Glasgow-based movie Under The Skin.

Talking to The Metro about her life as a celebrity, she said: ‘The trappings of this job mean I always feel like I’m protecting not just my personal life but my family, my partner, my lifestyle, my address, everything.’

Every angle is her best angle: Scarlett looked to be having fun posing for the cameras

Glowing: The actress was positively radiant during her evening out

Signing away: The blonde scribbled on a memento outside the theatre

Chummy: Scarlett posed next to Samuel L Jackson for a hands on photo op

From every angle: The Lost In Translation star smouldered no matter which way you looked at her

The 29-year-old went on to discuss when her computer was hacked, sending a nude picture of herself around the internet.

‘Several years ago I had that whole awful hacking incident which made me feel so paranoid but I am trying not to let it affect me.’

She added: ‘Once you accept your fate as someone who’s a recognisable person, who’s no longer anonymous, I think you have a much easier time fitting in than if you are constantly trying to be “normal”.’

Sharing a moment: The pair of co-stars enjoyed a chat together as they cosied up for a team photo

Lots to catch up on? Scarlett and Cobie took a moment to debrief each other before turning to pose

That sense of humour: Scarlett looked to have given Cobie the giggles

Sidekick: Anthony Mackie was clean and sharp in a vibrant suit

Hawkeye: Avengers star Jeremy Renner looked sharp in a black suit

Explosive debut: The cast stood by as fireworks sprayed gloriously above them

What now? It’s been claimed that filming on the Avengers sequel may be affected as Scarlett will no longer be able to do stunts or fit into her skintight catsuit