And Scarlett Johansson, 29, could not have looked more gorgeous as she showed off her bump in an elegant sheer lace ensemble on Thursday for the Captain American: The Winter Soldier world premiere in Hollywood.

The actress’s well-proportioned and voluptuous figure was on full display in the lacy frock as she smiled brightly during her red carpet arrival.

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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.

‘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.

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.

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!’