By Danielle Gusmaroli and Marc Andrews
Published: 05:14 EST, 10 May 2014 | Updated: 10:59 EST, 10 May 2014
Millie Mackintosh got to frock up in a glam Julien Macdonald gown on Friday, posting photos of herself saying 'Trying this on made me want to be Beyoncé.'
'I just died and went to dress heaven @julienmacdonald,' she added wearing the gorgeous silver hotpants and top outfit with a long, almost sheer, netting train attached around the sides and back.
'Such a fun afternoon@julienmacdonald,' Millie tweeted later before adding the hashtags 'beyoncefortheday' and, to show she was only half-kidding perhaps, 'ifonly'.
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Head turner: Millie had this shot taken of herself in the Beyonce-like gown during try-ons with Julien Macdonald
Not quite as bootylicious: Millie (left) was aiming to be 'Beyonce (right) for the day' in her sexy outfit
She's recently returned from an idyllic Californian getaway, so it was only natural that Millie should slip into a flattering white playsuit to set off her gloriously tanned back earlier in the week.
The former reality star put her golden glow to good use as she sported a fun ensemble to the blu E-Cigarettes party at the grungy Kachette club in London's Shoreditch.
She twisted and twirled, and tugged playfully at her fedora hat, as photographers captured her new-found radiance from all angles on Thursday evening.
Top hat fun: Millie Mackintosh wears flirty playsuit and fedora hat and shows off holiday glow at blu E -Cigarette launch party hosted at the Kachette club in East London, on Thursday
And when she had tired of the hard-core music and strobe lights, she and husband Professor Green dashed westwards for a cabaret night at the Collection in Fulham where she willingly posed some more.
Millie, 24, was clearly in love with her look as she struck up a plethora of poses as she was joined by her rapper husband, real name Stephen Manderson, 30.
Also in attendance were music mogul Simon Cowell, 54, and his girlfriend and mother of his child, Lauren Silverman.
Bowled over! Millie showed off a radiant glow in a white playsuit at the Kachette club in Shoredtich (left) before heading westwards (right)
Tanned: Millie and husband Professor Green enjoy a little hard-core music at the blu E-Cigarettes party in east London
Despite dressing up for the occasion, neither were very cabaret.
Lauren stunned in black as she showed off her enviable post-baby body in a clinging black dress and seemed completely at ease beside the relaxed media mogul.
Meanwhile Simon couldn't hide his love for fellow X Factor judge Louis Walsh, and gave his best pal an enthusiastic hug as he arrived.
All lit up: Millie arrives at the Collection club in one of her designs and joins revellers Simon Cowell, among others
Sinitta was being her usual cheeky self as she joined lovebirds Brian McFadden and Vogue WIlliams, who looked incredible in a short black dress showcasing her tanned legs.
Mille once admitted she likes to workout six times a week, so it's little wonder the former Made In Chelsea star is feeling body confident.
She said in an interview with MailOnline: 'I exercise about four to six times per week.
Tanned together: Socialite Bip Ling and Millie radiate together in trendy east London
Fluffy fun: Socialite Bip Ling shows off rabbit tail derriere in Shoreditch
East London fun: From left Zara Martin, Millie, Professor Green and Winnie Williams enjoy night out in Shoredtich
Boy fun: Jason Healy and Stephen Dorff catch up at the blu E-Cigarettes launch party
'This is more than I used to as my Xbox has helped me as there would be no way that I could get to the gym this often.'
Millie called her personal trainer, Jillian Michaels, 'inspiring' adding that she was someone 'who makes me want to get ripped like her. I try to wear my gym kit when I have a day off to help me stay in a healthy mindset.'
Meanwhile, Millie's husband recently came under fire from his fans for postponing his UK tour for a second time until the end of the year.
Nipple-itis: Jaime Winstone attended the E-Cigarette party and was regretting not wrapping up more
More Jaime fun: Jaime Winstone later joined singer Mel Blatt at the Future Factory launch party with Malibu Rum on Thursday night
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