Davina McCall , 57, stunned in a dark denim, plunging jumpsuit as she belted her heart out to karaoke while hosting Garnier’s celebration hair mask party in London on Wednesday evening. The TV presenter was all smiles as she appeared effortlessly chic in the figure-hugging one-piece that featured a zip down the centre and metal belted buckles. Davina accessorised the look with a pair of unfussy black heeled Gucci boots and minimalist gold jewellery.

Her brunette locks were styled in loose waves, while her makeup was kept minimal and natural. The Garnier celebratory event took place at London’s Bam Bam Bar – a location synonymous with karaoke nights and sophisticated soirées. The Long Lost Family host partied away as she was photographed dancing on top of the bar’s blue couches with a microphone in hand.

She was later joined in the crowd by an array of Love Island stars. The British national treasure has been a Garnier ambassador for over 17 years and uses the brands Nutrisse colour 5.0 to maintain her rich and glossy brown colour and cover any greys.

Davina, who has three children – Holly, 23, Tilly, 21, and 18-year-old Chester – with her former husband Matthew Robertson, is now in a relationship with celebrity hairstylist Michael Douglas. The pair share a £3.4 million family home in Kent, having built the lavish haven from scratch.

Sitting down in an exclusive interview with HELLO! last month, the presenter said: "What I like is that Michael's an independent p.