The highly anticipated The Boy Is Mine Tour is coming to the T-Mobile Center on Sunday, Oct. 26. The iconic GRAMMY Award-winning artists, Brandy and Monica, will embark on their first-ever co-headlining tour. The tour also marks a historic moment more than 25 years in the making, building on the legacy of their 1998 game-changing duet “The Boy Is Mine,” which spent a record-shattering 13 consecutive weeks at #1 on the Billboard Hot 100 and became a defining cultural touchstone of late…