The tour began on 21 May 2017 in Birkenhead, England, and ended on 25 March 2018 in Kobe, Japan, where the group headlined POPSPRING, in support of their fourth studio album, Glory Days.

[2] The tour sold over 810,000 tickets worldwide and consisted of over 70 shows being performed across Oceania, Europe, and Asia.

Due to instant sell outs, extra dates were added in Newcastle, Belfast, Glasgow, Nottingham, Birmingham, and London.

After overwhelming demand, the UK & Ireland leg was extended, and began on 9 October 2017 in Aberdeen, Scotland.

Ella Eyre, Sheppard, Louisa Johnson all supported selected dates on the Summer Shout Out shows.