Lily Allen's in the pink again after her health scare

The Smile singer wore a pink feathered designer gown to The British Fashion Awards, in London - where Stella McCartney took the top prize of Designer of the Year.

The newly-slimline Allen looked a picture of health in the stunning Giles Deacon gown, despite her recent revelation which revealed her new look was due to being diagnosed with a heart murmur.

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Allen, 22, shed 19lbs and dropped from a size 12 to an eight in just six weeks after being told that she had the heart condition.

She said the "scary" news propelled her into starting a fitness regime, and adopting a new healthy lifestyle.

However, Lily has caused concern lately by being photographed drunk and falling out of clubs causing speculation that, she may be following in Wino's footsteps.

But Lily laughed off reports that her wild partying could land her in the same downward spiral as troubled Amy Winehouse.

She said: "People will talk, but there's no way I'd ever get that bad."

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Allen was joined by pal Kelly Osbourne at the star-studded event which saw Stella McCartney awarded the top prize of designer of the year at the annual British Fashion Awards.

It has been a bit of an annus horribilis for Stella McCartney but last night saw her luck decidedly change.

And the 36-year-old designer, whose third child is due early next year, was thrilled at being awarded the top prize at the annual awards.

Since launching her collection in 2001, McCartney has gone from strength to strength, carving out a real niche with sharp but feminine tailoring and nifty ways with a slip dress. She also launched her first beauty collection, Care, this summer.

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"This is such a brilliant award but the people who really deserve it are my team. If it wasn't for them, I wouldn't have been able to have three kids under the age of three," said an emotional McCartney, accepting her award from actress Thandie Newton.

She added: "This is also for my husband and children. Thank you for making my life worth living."

Certainly nobody at the Lawrence Hall in Westminster could grudge her this good cheer, coming after a rather unpleasant few months.

In September McCartney, a strict vegetarian, was criticised for her links to adidas, for whom she designs a sportswear range, after the company was exposed as slaughtering thousands of kangaroo for skins to make its footballs.

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This month she was dragged into the messy divorce battle between Heather Mills and her father, Sir Paul.

Interviewed on American television, Ms Mills claimed that the designer had done "evil things" to split the couple, supposedly worried that Ms Mills would "get all the planes and diamonds".

With her own business riding high - it broke into the black for the first time this year after a £15 million investment from Gucci Group - the suggestion that McCartney needs her father's riches seems rather ludicrous.

Also honoured was Mancunian model Agyness Deyn, whose quirky fashion sense and engaging personality won her model of the year. After a spell as a redhead then a brunette, Deyn's trademark crop was back to peroxide blonde.

Dressed in a diaphanous black feathered gown by Giles Deacon, she accepted her award with a mobile phone glued to one ear, explaining that she was on the line to her mother. "Yeah, mum, I won. It's the equivalent of the fashion Oscars," she shouted.

Another deserving winner was Anya Hindmarch, who bagged designer brand of the year.

Hindmarch's handbags, which cost upwards of £500, enjoy a cult status among fashionable women, and her £5 canvas I'm Not a Plastic Bag saw her become a household name this year.

Marchesa, which comprises Georgina Chapman and Keren Craig, won the red carpet designer award, after a year which has seen them dress Sienna Miller, Jennifer Lopez, Scarlett Johansson and Mischa Barton.

Guests at the awards, presented by Zoe Ball, included Kelly Osbourne, Stuart Rose, Philip Green, Emilia Fox, Erin O'Connor, Jasmine Guinness and Roland Mouret.