Strike a PoseBeyonce, Bill Cunningham & More Fashion Instagrams (PHOTOS)Karlie Kloss goes kayaking, Lena Dunham gets a brand new bag, and more from the fashion pack this week.Claire Stern03.16.13 4:45 AM ET Karlie Kloss goes kayaking, Lena Dunham gets a brand-new bag, and buzzed-about duo Icona Pop smile for SXSW. Plus, more snapshots from the beautiful people this week. Karlie KlossAll work and no play makes Karlie Kloss a dull girl—so the Victoria’s Secret angel took a photo-shoot break to engage in some water sports, showing off her toned bikini bod in this ocean-filled Instagram. “Kayaking after a long day of work in St. Barths ;),” she wrote in the caption. Bill Cunningham“Bill Cunningham cutting his 84th birthday cake,” wrote The New York Times under this snapshot of the legendary photographer eyeing his frosted dessert, cleverly decorated with a camera and a pair of Louboutins. Lena DunhamGirls creator Lena Dunham credits a fellow comedienne with helping her accessorize in this mirror selfie. She captioned the pic, “This rainy day outfit would have been NOTHING w/out the bag- thank you @mindykaling.” Tyra BanksTyra Banks flashes a sultry smize in this black-and-white Instagram, which she uploaded while riding in a car. The America’s Next Top Model host blurred out everything but her lips, writing in the caption, “Mis Labios en focus en Las Vegas.” Rebecca Minkoff“The crowd,” wrote designer Rebecca Minkoff under this photo of herself with Hannah Bronfman, DJ Brendan Fallis, and Erica Domesek of P.S.- I made this… at a dinner for Veuve Clicquot. Lindsey WixsonJust last month, Lindsey Wixson walked in Jeremy Scott’s fall presentation in a yellow fur jumpsuit. Here she opts for a more muted pair of furry friends in this photo of herself wearing some impossibly warm-looking earmuffs. Beyoncé Bey shows off some model behavior in this photo of herself posing in a floral-print top and matching bottoms. The singer, who covers the March issue of Vogue, will kick off her Mrs. Carter Show World Tour next month in Belgrade. Poppy DelevingnePatriotic Poppy: Cara’s big sis broke out the stars and stripes for a hike with fiancé James Cook in L.A.’s Runyon Canyon Park. She posted this photo of herself gazing over the city and wrote, “Working out with weasel @cook_james #RunyonCanyon #StarsNStripes.” Pat ClevelandThe inimitable Pat Cleveland strikes a pose in a cream-colored frock in this Instagram taken at Chloé’s 60th anniversary party at Barneys New York. The caption simply reads, “Pat Cleveland, icon, twirling.” Icona PopCaroline Hjelt and Aino Jawo of the Swedish duo Icona Pop smile in this romantically filtered Instagram snapped by Refinery29 at South by Southwest. “The super amazing, totally stylish, mind blowing ladies of Icona Pop,” says the caption. Alessandra Ambrosio“It’s all about #vsswim,” wrote Victoria’s Secret angel Alessandra Ambrosio under this snapshot of herself and fellow angel Candice Swanepoel, on location to shoot the retailer’s new swimsuit collection. The Brazilian beauty substitutes her swimsuit for a lacy blue romper.