Once upon a time, Kim Kardashian was best friends with Givenchy Creative Director, Ricardo Tisci. But in recent weeks, it looks like Beyonce has taken the top spot as Tisci's favorite muse. Not only did he dress her for this year's Met Gala, but also, the pair recently were spotted cozied up and sharing a laugh during a rooftop Givenchy photo shoot. Could Kim have been the butt of their joke?Beyonce was seen on a Brooklyn rooftop posing for a Givenchy photo shoot with fashion house's creative director, Tisci.The pair shared a laugh -- could they have been making jokes about Kim behind her backside?Beyonce and Tisci chatted as the team set up blocking for the shoot.Tisci rested his head on Beyonce's lovely shoulder. He dressed Beyonce for the Met Ball this year, while Kardashian was relegated to wearing Roberto Cavalli.Tisci had a feeling that the two of them were being watched.Luckily, Tisci seemed to enjoy having an audience.Mrs. Carter lived up to her nickname, Queen Bey.One lucky makeup artist got to have a close encounter with Beyonce's breasts, dusting them with powder.In the old days, it would have been Kardashian on the roof taking pictures for Tisci. The two walked hand in hand at a Vogue party at the Peninsula Hotel in September 2014.They partied together in October 2013 at a soirée in Paris, France.They even shared kisses at Kardashian's wedding to Kanye West, for which Kardashian wore Givenchy.