The former TOWIE star - who owns an online fitness business - had the pleasure of attending the BT Sport Action Woman Awards which celebrated the achievements of British sportswomen.
Gym bunny Lucy spends a lot of time sweating it out in her workout gear, and she wasn't afraid to show off the fruits of her labour while attending the lavish ceremony.
Lucy looked totally amazing in a blue satin-crepe gown designed by Thakoon, which featured a daring plunging neckline and a draped silhouette which gathered in at her waist.
We love Lucy's lavish gown, but we can't quite get our heads around the price tag - it costs a whopping £1,450! Just think of all the Topshop frocks you could buy for that...
She let her pricey floor-length number do all the talking by keeping her jewellery simple, wearing a dainty silver bracelet and a watch along with a delicate pair of drop earrings.
The pretty brunette tucked an embellished gold clutch under one perfectly-manicured hand, finishing her look by styling her locks in a ladylike half-up, half-down 'do which boasted heaps of volume at the roots.
And it sounds like Lucy had an incredible time at the event, later taking to Instagram to say: "Fantastic night at the #BTSports #ActionWoman Awards! How amazing to be celebrating the success of our British sportswomen.
"It was an honour to be surrounded by such talented & inspirational women, & to be an ambassador to the incredible gymnast Claudia Fragapane!"
What do you think of Lucy's gown? Let us know by commenting below as the best comment across the site each week wins £50!
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