Jennifer Lawrence is a classic bombshell in plunging black gown with thigh-high slit

Va-va-voom!

Jennifer Lawrence ramped up the sex appeal on Tuesday as she stepped out in London to promote her new film "Red Sparrow." With the picturesque South Bank behind her, Lawrence was a total knockout in a plunging black velvet gown with a thigh-high slit.

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Jennifer Lawrence's 'Red Sparrow' looks in London
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Jennifer Lawrence's 'Red Sparrow' looks in London
LONDON, ENGLAND - FEBRUARY 20: Jennifer Lawrence attends the 'Red Sparrow' photocall at The Corinthia Hotel on February 20, 2018 in London, England. (Photo by Dave J Hogan/Dave J Hogan/Getty Images)
LONDON, ENGLAND - FEBRUARY 20: Jennifer Lawrence attends the 'Red Sparrow' photocall at Corinthia London on February 20, 2018 in London, England. (Photo by David M. Benett/Dave Benett/Getty Images)
LONDON, ENGLAND - FEBRUARY 20: Jennifer Lawrence during the 'Red Sparrow' photocall at The Corinthia Hotel on February 20, 2018 in London, England. (Photo by John Phillips/John Phillips/Getty Images)
Jennifer Lawrence attending a Red Sparrow photocall at the Corinthia Hotel, London. (Photo by Ian West/PA Images via Getty Images)
LONDON, ENGLAND - FEBRUARY 20: Jennifer Lawrence attends the 'Red Sparrow' photocall at The Corinthia Hotel on February 20, 2018 in London, England. (Photo by Dave J Hogan/Dave J Hogan/Getty Images)
LONDON, ENGLAND - FEBRUARY 20: Jennifer Lawrence during the 'Red Sparrow' photocall at The Corinthia Hotel on February 20, 2018 in London, England. (Photo by John Phillips/John Phillips/Getty Images)
LONDON, ENGLAND - FEBRUARY 20: Jennifer Lawrenceattends the 'Red Sparrow' photocall at Corinthia London on February 20, 2018 in London, England. (Photo by David M. Benett/Dave Benett/Getty Images)
Jennifer Lawrence attending a Red Sparrow photocall at the Corinthia Hotel, London. (Photo by Ian West/PA Images via Getty Images)
LONDON, UNITED KINGDOM - FEBRUARY 19: US actress Jennifer Lawrence poses on the red carpet on arrival to attend the European premiere of the film Red Sparrow on February 19, 2018 in London, England. PHOTOGRAPH BY Jamy / Barcroft Images (Photo credit should read Jamy / Barcroft Media via Getty Images)
US actress Jennifer Lawrence poses on the red carpet on arrival to attend the European premiere of the film Red Sparrow, in London on February 19, 2018. / AFP PHOTO / - (Photo credit should read -/AFP/Getty Images)
LONDON, UNITED KINGDOM - FEBRUARY 19: US actress Jennifer Lawrence poses on the red carpet on arrival to attend the European premiere of the film Red Sparrow on February 19, 2018 in London, England. PHOTOGRAPH BY Jamy / Barcroft Images (Photo credit should read Jamy / Barcroft Media via Getty Images)
LONDON, ENGLAND - FEBRUARY 19: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 24 HOURS AFTER CREATE DATE AND TIME) Jennifer Lawrence attends the European Premiere of 'Red Sparrow' at the Vue West End on February 19, 2018 in London, England. (Photo by Karwai Tang/WireImage)
LONDON, ENGLAND - FEBRUARY 19: Jennifer Lawrence attneds the European Premeire of 'Red Sparrow' at Vue West End on February 19, 2018 in London, England. (Photo by Mike Marsland/Mike Marsland/WireImage)
LONDON, ENGLAND - FEBRUARY 19: Jennifer Lawrence attends the European Premiere of 'Red Sparrow' at Vue West End on February 19, 2018 in London, England. (Photo by Dave J Hogan/Dave J Hogan/Getty Images)
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The dramatic gown showed off Lawrence's svelte physique -- and a whole lot of confidence! And that's definitely a necessity when your barely-there outfit is battling cold breezes off the Thames.

It's a look reminiscent of Elizabeth Hurley's iconic Versace number, is it not? 

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Elizabeth Hurley in her iconic Versace dress
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Elizabeth Hurley in her iconic Versace dress
LONDON - MARCH 09: Actress Elizabeth Hurley wears a Giani Versace dress to the premiere of 'Four Weddings and A Funeral' held in Leicester Square on March 09, 1994 in London, England. (Photo by Dave Benett/Getty Images)
Elizabeth Hurley and Hugh Grant (Photo by Tom Wargacki/WireImage)
British actor Hugh Grant and his girlfriend Elizabeth Hurley arrive at the post-premiere party of Grant's latest film, 'Four Weddings and a Funeral' in London, 11th May 1994. (Photo by Dave Benett/Hulton Archive/Getty Images)
Star of the film 'Four Weddings and a Funeral', Hugh Grant, arrives for the charity premiere with actress Elizabeth Hurley. (Photo by Michael Stephens - PA Images/PA Images via Getty Images)
British actress Elizabeth Hurley attends the post-premiere party of her boyfriend Hugh Grant's latest film, 'Four Weddings and a Funeral' in London, 11th May 1994. (Photo by Dave Benett/Hulton Archive/Getty Images)
28.12.94. Library file 258767-1a, dated 11.5.94. Hugh Grant arrives with actress Elizabeth Hurley for the charity premiere of Four Weddings and a Funeral, at the Odeon, Leicester Square. PA News, Mike Stephens/in. (Photo by PA Images via Getty Images)
Elizabeth Hurley (Photo by Tom Wargacki/WireImage)
LONDON - MARCH 09: Actress Elizabeth Hurley wears a Giani Versace dress to the premiere of 'Four Weddings and A Funeral' held in Leicester Square on March 09, 1994 in London, England. (Photo by Dave Benett/Getty Images)
British actress Elizabeth Hurley attends the post-premiere party of her boyfriend Hugh Grant's latest film, 'Four Weddings and a Funeral' in London, 11th May 1994. Grant himself is just visible to the right of the image. (Photo by Dave Benett/Hulton Archive/Getty Images)
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The night before was the London "Red Sparrow" premiere, where Lawrence showed off a completely different aesthetic. Wearing a glittering gold and blush-hued ballgown, she kept her makeup muted and rocked playful Meg Ryan-esque curls.

Check out both sexy styles in the gallery above.

Keep it comin, J-Law!

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