Kim Kardashian throws a Barbie theme party to celebrate North West’s 10th birthday. The reality tv personality and businesswoman took her daughters and a group of North’s friends to have a slumber party at a fancy hotel in L.A.The group also enjoyed aboard a party bus and cruised around the city. They all wore personalized pink pajamas and immortalized the moment by snapping many pictures.Jessica Simpson’s daughter Maxwell and Selena Gomez’s sister, Gracie, were also in attendance.The celebration comes after North was spotted with Kanye West’s “wife,” Bianca Censori. It seems she has a great relationship with the rapper’s firstborn, as the pair were holding hands.