Holly Willoughby Celebrates Sister Kellys Birthday!

took to Instagram with a gushing birthday tribute to her lookalike sister Kelly on Friday. 

The TV personality, 45, shared a sweet throwback snap of the pair as she marked Kelly turning 47. 

Holly penned: 'Happy birthday to my beautiful sister and best friend @ladywilloughby … spreading joy wherever she goes… .

Kelly is the managing director of Holly's wellness brand Wylde Moon and together the sisters have also written children's books.

The former This Morning host first posted the glam snap of the pair last month, at Kelly's husband 's lavish Studio 54 themed birthday bash.

Holly put on a very leggy display in a pink feathered mini dress and added extra height to her frame with black platforms.

The stunner styled her long blonde locks into loose waves as she got into the party spirits with heart shaped shades and glittery face paint. 

Mum Linda looked equally glam in a red mini dress which also boasted feathers, while sister Kelly caught the eye in silver sequins. 

Holly took to Instagram with a slew of snaps from the sun-soaked garden party while also . 

She captioned the post: 'Last night Studio 54 came to Sussex as we celebrated my brother- in- law turning 50! Happy birthday Dave we love you! Best dressed of the night goes to my ever beautiful Mamma and bonus prize for Dad who grew back his legendary Tash for one night only!' 

'@ladywilloughby … seriously think you need to consider a fringe, beauty!!! What a party, surrounded by friends and family… just the best'.

Meanwhile Holly  

The former This Morning host shared stunning selfies cycling on a Lime Bike in London as she revealed she had been to a 'brilliant meeting' about a 'really exciting' new project.

Holly, who has recently been more active on social media, is said to have distanced herself from  in a bid to tackle the digital industry. 

She wrote: 'Found a patch of sun in between the rain… good old London weather! 

'Just had a brilliant meeting about a project I’m really excited about… things are happening at quite the pace! Can’t wait to bring it to life and share it with you'. 

Holly has been far more active on social media of late, sharing snaps from recent holidays and giving fans a glimpse into her enviable wardrobe.

Certainly, an increased social media presence is crucial given Holly's plan to move on from traditional TV and harness the power of online. 

The Daily Mail's . The TV star is working on a new digital project which will involve both producing and presenting her own show to be streamed online.