Strike a PoseThe 11 Best Fashion InstagramsThe Fashion Beast Team04.27.14Strike a PoseThe 11 Best Fashion InstagramsBeyonce visits Prada Marfa, Derek Blasberg celebrates his birthday with Boy George, and Lupita Nyong'o meets her role model. Plus, more of this week's best fashion instagrams.The Fashion Beast Team04.27.14 10:45 AM ETBeyonce visits Prada Marfa, Derek Blasberg celebrates his birthday with Boy George, and Lupita Nyong'o meets her role model. Plus, more of this week's best fashion instagrams. via InstagramBeyonceQueen Bey has an art moment at the Prada Marfa installation in her home state of Texas. via InstagramAlessandra AmbrosioBring your kids to Coachella. Alessandra Ambrosio's daughter, Anja, was definitely on point with her festival style. via InstagramRosie Huntington-WhiteleyIs that the modern-day Jean-Paul Gaultier cone bra? Get it gurl, Rosie HW. via InstagramHarry Styles"They're not mine," the One Direction hottie claimed. We don't buy it. via InstagramDerek BlasbergWe agree, Derek. Every birthday should end with Boy George. via InstagramCara DelevingneFor her next acting gig, maybe Delevingne will play a #DisneyVillan. via InstagramOlivier TheyskensThe Theory designer threw his own #GardenParty in bright green patterned pants. via InstagramJoan SmallsThe model found her "new favorite #monster" in photographer Giampaolo Sgura during a photoshoot for Vogue Japan. via InstagramKelly OsbourneCheck out Osbourne's new shades. In the wise words of Jay Z, "#TOMFORD." via InstagramLupita Nyong'oFrom one role model to the next, actress Lupita Nyong'o rubbed elbows with her long-time idol, model Alek Wek. via InstagramMichael CarlTo be or not to be. The Vanity Fair fashion market director spent his work day pondering the Louboutin.