Pippa Middleton is colour-blocking in New York, while Lana Del Rey is sporting a cardigan we like in London. Dakota Fanning, meanwhile, is promoting 'nightie' grunge chic on a trip out in New York.
Take a look at these stars' latest outfits, along with those of a select gathering of their famous counterparts, as they work their off-duty wardrobes in the gallery below.
Check back for daily updates on what the stars wear in their down time and see them turn it up a notch f0r the flashbulbs in Stylist's daily Red Carpet Round-Up.
Picture credit: Rex Features
Fearne Cotton, September 6
Fearne Cotton teams her dusky pink floaty dress with mahogany coloured lace-up ankle boots in London.
Geri Halliwell, September 6
Geri Halliwell sports intricate hotpants and a high collar white shirt with a classic Chanel handbag in London.
Pippa Middleton, September 5
Pippa Middleton colour blocks her way around New York, accessorising with light caramel shoes and a Kate Spade wicker bag.
Dakota Fanning, September 5
Dakota Fanning epitomises grunge chic with a super-short baggy 'nightie' dress and slouchy boots, in New York.
Holly Willoughby, September 5
Holly Willoughby gives her Mulberry bag and Chanel-esque jacket an airing at the Riverside Studios in London.
Kylie Minogue, September 5
Kylie Minogue is snappy in baggy calf-length trousers and rocker tee on a casual London outing.
Sharon Stone, September 5
Sharon Stone shows us how skinny jeans should be worn, on a yogurt run in Los Angeles.
Lana Del Rey, September 5
Lana Del Rey takes the frump out of the cardigan, on a relaxed trip out in London.
Sarah Jessica Parker, September 5
Sarah Jessica Parker makes Hunter Wellies look effortlessly fash on a walk in New York.
Heidi Klum, September 5
Heidi Klum returns to her New York hotel in a strapless bright white dress, accessorised with a black waist belt and a diagonal thigh high split.
Amanda Seyfried, September 4
Amanda Seyfried flaunts perfect roll-up hotpants with a grey t-shirt in Los Angeles.
Jude Law, September 4
Jude Law's fledgling beard works well with his dashing grey suit on an evening out in London.
Kim Kardashian and Kanye West, September 2
Kim Kardashian teams knee high Givenchy boots with an over-the-knee black dress, while Kanye West is perfectly colour co-ordinated in creams and whites, on a shopping trip in New York.
Gwen Stefani, September 1
Gwen Stefani teamed a pair of plaid trousers with cage heels, a black tote, straw trilby and simple white vest out and about in Beverley Hills.
Karen Gillan, 31 August
Karen Gillan wore a silver skirt, cat eye print t-shirt and pale blue heeled brogues for an appearance on Radio 1 in London.
Jessica Biel, August 31
Jessica Biel works a stylish off-duty look at the airport - we love her pale blue jeans and round shades.
Kate Bosworth, August 31
Kate Bosworth keeps cool in the LA heat in a simple white shirtdress, brown sandals and aviator shades.
Taylor Swift, August 31
Taylor Swift wore a drop waist polka dot dress and yellow brogues out and about in New York.
Taylor Swift, August 31
Taylor then changed into a baseball jacket and shorts for a photo shoot in New York.
Fearne Cotton, August 31
Fearne wore a camoflage jacket, black midi dress and ankle boots en route to the Radio 1 studios.
Rita Ora, 30 August
Rita Ora clashed her camoflage jacket with a zebra print dress, out and about in London.
Camilla Alves, August 30
Camilla Alves wore a chic kaftan and flat sandals for a stroll on New York with her son.
Brooklyn Decker, August 31
Brooklyn wore a paisley jumpsuit to watch the US Open Tennis Championships in Flushing Meadows.
Emma Roberts, August 30
Emma Roberts added edge to a simple pair of short and a plain t-shirt with black sky-high shoe boots and a leopard print satchel.
Blake Lively, August 28
Blake wore Rupert Sanderson boots, purple jeans, a maroon draped cardigan and a bold necklace on the Gossip Girl set in New York.
Leighton Meester, August 28
Leighton Meester also wore Rupert Sanderson shoes on the set of Gossip Girl - the fuchsia heels complementing her yellow boucle coat, printed sundress and embroidered bag.
Emma Roberts, August 28
Emma Roberts showed how to work black in the LA heat - by teaming a paisley print skirt with a black vest, bare legs and chunky ankle boots.
Sophia Bush, August 28
Sophia Bush wore floral jeans, ballet pumps and a cobalt blue clutch out and about in West Hollywood.
Rihanna, August 28
Rihanna wore a vintage Kenzo jumper, denim cut-offs, a green Kenzo cap and leopard print boots to leave the Park Lane hotel in London.
Naomi Watts, August 28
Naomi Watts wore a simple black dress, straw trilby, and flat black sandals on the street at Venice Film Festival.
Cameron Diaz, August 28
Cameron Diaz paired tailored denim shorts, stripey espadrilles, a cream blazer and a yellow bag for a stroll on the streets of New York.
Rita Ora, August 28
Rita Ora paired a floral jumpsuit with a grey beanie, high-tops and circle shades as she arrived at the Radio 1 studios in London.
Mollie King, Frankie Sandford and Vanessa White, August 28
Half of The Saturdays were snapped out and about in LA in a host of summery looks - we like Mollie's white playsuit.
Amanda Seyfried, August 28
Amanda Seyfried wore a slouchy cobalt blue t-shirt, denim cut-off shorts and flip flops to walk her dog in New York.
Jessic Alba, August 27
Jessica Alba sharpens up her pastel casuals with some 50s style shades and a sporty oversize bag in Beverly Hills.
Fearne Cotton, August 27
Fearne Cotton teamed a grey jersey dress and cobalt blue coat with Converse shoes and a sequin collar outside the Radio 1 Studios.
Amber Heard, August 27
Amber Heard accessories chic black skinnies and pixie boots with a soft white t-shirt, messy top knot and of course Pistol, her adorable miniature Yorkshire Terrier, in New York.
Cameron Diaz, August 27
Cameron Diaz gives her exercise gear a stylish edge with a giant Stella McCartney sports bag in New York.
Rihanna, August 27
Rihanna lands at London Heathrow like only Rihanna can - wearing a thigh-split skirt, Converse high-tops and comfy jumper.
Jennifer Garner, August 26
They may not be Madonna's favourite flower but Jennifer Garner is clearly a hydrangea fan. She's giving jeans and a woolly jumper a Hollywood look on a shopping trip in Los Angeles.
Sofia Vergara, August 26
Wow. Sofia Vergara looks like she's walked off the set of a Bond film in a fearsome floaty animal print gown in New York.
Gwen Stefani, August 25
Not many people could pull off Gwen Stefani's outfit choices and here she is again, making the bizarre brilliant in baggy green flooders and black gladiator sandals on a shopping trip in Los Angeles.
Demi Moore, August 25
Demi Moore manages to look phenomenal in a tight white vest and boyfriend jeans on a sunny stroll in Stockholm, Sweden.