Kanye West. Photo: Hector Retamal/AFP via Getty Images On April 3, Kanye West performed a concert in Los Angeles at SoFi Stadium and brought out celebrity supporters including Travis Scott and Lauryn Hill, along with his daughter North West. The sold-out show was a monument to the continued popularity of West, but that doesn’t mean brands are ready to collaborate. Multiple sponsors have pulled out of the London-based Wireless Festival, which West is headlining this July, after U.K. prime