Braless Luisa Zissman's dress turns see-through under flashbulbs

The Apprentice runner-up stunned in a knee-length frock that clung in all the right places.

Hitting the red - or rather, patterned - carpet for a gala screening of Jackass Presents: Bad Grandpa, the mum-of-one showed off her feminine figure in the skintight blue creation.

Braless Luisa Zissman's dress turns see-through under flashbulbs

Cheeky Luisa appeared to have gone braless, with the glare of the flashbulbs highlighting her lack of lingerie. On her top half at least. Having been under the knife, the entrepreneur is now equipped with a perkiness that rarely requires any help from an underwire.

Braless Luisa Zissman's dress turns see-through under flashbulbs

Teaming the dress with studded stilettos, black clutch, and gothy dark fingernails, the 25-year-old owned the cameras outside the Odeon Covent Garden. Meanwhile, it seems some other reality stars are hoping to coattail on Luisa's fame.

Braless Luisa Zissman's dress turns see-through under flashbulbs

The baking whizz kid revealed on Twitter: "Makes me laugh when other ex reality stars tweet me abuse to try and get press - #blocked".

When a fan advised her against naming and shaming as "that's what they want", Luisa said she wasn't planning to… although we're all dying to know!