The arena that hosted the 2017 "Billboard" Music Awards opened  on what date?
2017 Billboard Music Awards The 2017 "Billboard" Music Awards was held at the T-Mobile Arena in Las Vegas on May 21, 2017. The list of nominees was announced on April 10, 2017. Non-televised awards were announced on "Billboard" website the same day as the main ceremony.
Shawn Mendes World Tour The Shawn Mendes World Tour was the first solo concert tour by Canadian singer Shawn Mendes, promoting his debut studio album "Handwritten" (2015). The tour began in New York City at Radio City Music Hall on March 5, 2016, and it concluded in Manila at Mall of Asia Arena on March 18, 2017.