Holly Willoughby was voted as having the Best Celebrity Cleavage, coming first place in the Wonderbra Cleavage Hall of Fame.

The mother-of two was closely followed by curvy Hollywood actress Scarlett Johansson and new mother Beyonce.

Wonderbra conducted the survey to celebrate National Cleavage Day, which is to be held around the world today.

The bra firm unveiled a gallery of photographs - the Cleavage Hall of Fame - at its UK headquarters, showing the top ten in all their glory.

Holly, 31, came out top thanks to the fact that she has all the elements required to make the perfect cleavage, the survey revealed.

No detail was spared when the women examined poor Holly's chest. All factors were taken into consideration, including the perkiness of her breasts, how close they sit together and, of course, their size.

Elsewhere, Rihanna, Marilyn Monroe, Dita von Teese, Katy Perry, Brigitte Bardot, Kim Kardashian and Lara Stone were all highly commended for their impressive cleavage.

It wasn't only about impressive boobs.

The research also investigated women's attitudes to cleavage and revealed that two thirds of British women are happy to show off their cleavage as it makes them feel feminine and sexy, and gives them more confidence.

Half of those questioned admitted to using their cleavage as a secret weapon - whether it be to get served sooner at the bar, to make a lasting impression on a first date, or even to get out of a parking or speeding ticket.

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