<Li> Believe Tour (2012--13) </Li> <Li> Purpose World Tour (2016--17) </Li> <P> The Purpose World Tour is the third worldwide tour by Canadian singer Justin Bieber . It was in support of his fourth studio album Purpose (2015). The tour started on March 9, 2016 in Seattle and ended on July 2, 2017 in London, England . </P> <P> The tour was announced on November 11, 2015 on The Ellen DeGeneres Show . That same day, 58 dates in the United States and Canada were revealed on the singer's website . Due to overwhelming demand, additional shows were added in several cities . On September 30, 2016, Bieber announced Australian and New Zealand tour dates were to be released the following week . On October 25, 2016, two tour dates were announced for Mexico, as well as the South American and Central American legs of the tour . On December 5, 2016, Bieber announced on The Ellen DeGeneres Show he would tour stadiums in the United States in the summer of 2017, with dates announced later that day . </P>

When did justin bieber's purpose tour start