(Image credit: Getty Images Courtesy of Tiffany & & Co.) Its safe to state that superstars are obsessed with Alaïa gowns right now. Last week, Rosie Huntington-Whiteley stepped out in a thong-exposing pink Alaïa dress at Victoria Beckhams birthday celebration. Now, Elsa Hosk is having her own underwear-revealing moment using the very same brand. In an Instagram photo taken at a Tiffany & & Co. event in Los Angeles, Hosk used a saucy long-sleeve Alaïa maxi gown in a dreamy child blue color. Hosks post has actually only been up a few hours however has currently racked up over 100,000 likes and nearly 700 comments.Plus, its not simply her followers who love the appearance. The Instagram account @checkthetag conducted a poll asking whether fans liked the attire, and a whopping 89% stated yes. Who am I to argue with cold hard data? Scroll down to see Elsa Hosks most recent outfit and shop large blue dresses for yourself.( Image credit: @elsahosk) Shop Sheer Dresses

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