Strike a PoseAnna Dello Russo, Stella McCartney, & More Fashion InstagramsErin Cunningham08.17.13Strike a PoseAnna Dello Russo, Stella McCartney, & More Fashion InstagramsGwyneth Paltrow jumps for joy, and Carine Roitfeld takes a beach vacation with her family. Plus, more of the week’s best Instagrams. Erin Cunningham08.17.13 4:00 AM ETHilary Rhoda goofs-off with her blowdryer, Gwyneth Paltrow jumps for joy, and Carine Roitfeld takes a beach vacation with her family. Plus, more of the week’s best Instagrams. Anna Dello RussoOnly Anna Dello Russo would run in a Dolce & Gabbana crop top and mini skirt. The fashion maven paired her ready-to-wear look with pink running sneakers as she jogged with Giovanna Battaglia on holiday. Julia Restoin-RoitfeldThe Restoin-Roitfelds -- including Carine, Julia, Vladimir, and Christian -- enjoy some quality family time on a beach vacation. Lena DunhamLena Dunham's dog seems to have an interest in recrafting undergarments. Dunham wrote, "Lamby got hold of my underwear and very kindly made them crotchless for me." Thanks so much for sharing this with the world, Lena! We needed to see that. Prabal GurungMuses make the fashion world go 'round. Designer Prabal Gurung hangs with two little ones, both wearing his designs. "Muses come in all shapes and sizes. Happy Summer," he writes. Stella McCartney"Sexy lady in Stella swimwear! Summer never stop!," Stella McCartney writes of Gwyneth Paltrow in one of the designer's bikinis. Floyd MayweatherProfessional boxer Floyd Mayweather must be doing very well for himself. He Instagrammed a photo of four Hermès boxes with the caption "Just received a delivery of 5 ... Line 'em up! #Birkin #Hermès." Derek Blasberg Derek Blasberg captures his favorite things in one photo: "Adidas soccer sandals, push-up bras, denim shirts and [model Dree Hemingway] @dreelouise." Jane Keltner de Valle"Love a man who isn't afraid to wear red lipstick," the Teen Vogue editor writes of designer Jason Wu. Keltner de Valle celebrates Wu's new make-up collaboration with Lancôme. Sofia Sanchez-Barrenechea Sofia Sanchez-Barrenechea has "breakfast like a queen!" while on holiday in Positano, enjoying some fruit in a self-made flower crown. Susie Bubble"There's no place like home, there's no place like home." Blogger Susie Bubble has a Dorothy moment in some red glittered Valentino pumps. Hilary RhodaHilary Rhoda snaps a pic of what most people are afraid to admit they do -- sing into inanimate objects. The models writes, "My @harryjoshhair dryer doubles as a wind machine #bathroompopstar."