The biggest loser: Josie Gibson and Gemma Collins showcase their weight loss in sheer black tops and jeans

Discovering a fellow guest is wearing the same outfit at a party is enough to tip most celebrities over the edge.But for Josie Gibson and Gemma Collins, they shared a lot more than a similar wardrobe last night.
The reality stars showcased their dramatic weight loss, battling it out for the title of the most streamlined figure.

Battle of the slimmers: Josie Gibson and Gemma Collins both showed off their new trim figures at the Jeans for Genes event last night at Kettner's in Soho

Both dressed in skintight denim, black tops and with their trademark glossy blonde locks, the duo attended fundraising event Jeans For Genes.

 

Big Brother contestant Josie has been working hard to shift the stubborn pounds since her split from former housemate John James in March.
Last week, it was revealed that the 26-year-old had successfully shrunk from 16st 7lb to 13st 7lbs, but last night she looked even smaller.

Icon: Josie's popularity has soared since her departure from Big Brother

In a recent interview, she said: 'I've given up drinking and it's marvellous. Your skin's better, the whites of your eyes look better and you feel better.
'I'm shaped like a Christmas tree and one boob's bigger than the other so I only give myself four out of ten... I really have to work on my bottom half.'

She also confessed she was 'nearly a size 20' but said she only loses weight the healthy way, adding: 'I'd never have lipo - I exercise to tone up.'

Shrinking: Josie has worked hard to lose weight since unflattering pictures from a trip to Marbella in June emerged, and can now fit into skinny jeans

The Only Way Is Svelte: Slimline TOWIE star has undergone a transformation since the embarrassing pictures of her at boot camp were released in May

TOWIE star Gemma, 30, has also undergone a transformation dropping three dress sizes and shedding an impressive 3st 9lb in four months.
She told new! of her recent boot camp experience, saying: ''I was packing my bag after three days. It was such a shocker being in such a disciplined regime.'
Gemma also confessed she was craving greasy food, begging her friend to buy her a takeout.
'I was like, "If you’re my best friend you’ll get me a chow mein,"' she said.
But her friend showed tough love with a 'slap in the face' and refused to get the Chinese, with Gemma 'just getting on with it' from that moment.

Rising stars: Girl group Parade seemed to miss the point of the event, with only Bianca Claxton wearing jeans

In her leathers: Kelis oozes cool in skin tight trousers at Jeans For Genes

Fellow famous faces helped to celebrate with the girls at the good cause, held at Kettner's Restaurant & Champagne Bar in Soho.
Lizzie Cundy and Andrea McLean propelled themselves into the spirit of things by stepping out in their denims.
However, Arlene Phillip, Sarah Cawood and Kelis ignored the jeans theme and opted for their own style.
Girl group Parade weren't much better, with only Bianca Claxton in jeans.

Gene-ius: Lizzie Cundy and Andrea McLean attended the event in their denims

Dressed up: Arlene Phillips and Sarah Cawood didn't get into the spirit of jeans

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