London's Primrose Hill pack partied the weekend away to celebrate Poppy Delevingne's last night of freedom – and party they did. Want to see their naughty Instagram album of the night she'll never forget? Of course you do...
Poppy Delevingne and her crew of ultra-cool friends celebrated the British model's hen 'do over the weekend, donning retro fancy dress and partying until the early hours of Sunday morning in London - and thanks to her pack of snap-happy celebrity pals, the entire night was caught on camera.
Hashtagging the raucous eve #popdoghen, Alexa Chung, Harry Styles, Nick Grimshaw, Cara Delevingne and Sienna Miller were among the partygoers documenting their antics on Instagram as Poppy partied her last night of singledom away at the Groucho Club in London.
Poppy Delevingne
See some saucy underwear posing, Harry's hilarious fancy dress and the engaged girl herself let loose as she hit the town on her last night of freedom...
Poppy Delevingne
See some saucy underwear posing, Harry's hilarious fancy dress and the engaged girl herself let loose as she hit the town on her last night of freedom...
Dean Piper, Sienna Miller And Cara Delevingne
Working wigs and retro get-up, journalist Dean Piper, Sienna Miller and Cara Delevingne prepare for a night on the tiles.
Poppy Delevingne And Harry Styles
A well disguised Harry Styles cuddles up to Poppy Delevingne on the dancefloor.
Harry Styles And Nick Grimshaw
Harry Styles and Nick Grimshaw go matchy-matchy with their curly bleached wigs and ripped denim shorts. We're not sure exactly what you're meant to be boys but we'll go with it...
Sienna Miller And Harry Styles
Sienna Miller and Harry Styles take selfies on Poppy's hen 'do.
Sienna Miller And Poppy Delevingne
Sienna Miller and Poppy Delevingne pose in Simeon Farrar tees and cool trucker hats before their big night out.
Sienna Miller And Poppy Delevingne
Sienna Miller and Poppy Delevingne bring a cardboard cut-out of the model's body for the eve, naturally...
Poppy Delevingne And Dean Piper
Poppy Delevingne and Dean Piper work their best poses for the camera on Saturday night.
Poppy Delevingne
Poppy Delevingne loses her top, but finds herself. Fair trade?
Harry Styles And Poppy Delevingne
Harry Styles and Poppy Delevingne get up close and personal for Instagram pictures.
Cara Delevingne, Poppy Delevingne And Chloe Delevingne
Cara Delevingne snuggles up to her two sisters, Poppy and Chloe, in a hazy black and white family snap.
Laura Bailey
Our bet is Laura Bailey's calling for champagne...
Jamie Winstone
Jamie Winstone opts for a bold hen party accessory.
Harry Styles
Harry Styles joins the hen hat crew.
Sienna Miller And Poppy Delevingne
Sienna Miller and Poppy Delevingne get rock 'n' roll in their matching Simeon Farrar for LondonBoutiques.com tees.
Poppy Delevingne's Mugshot Cupcakes
Poppy Delevingne's portait cakes look too cute to eat.