He'll now take to England's capital on 10 - 11 September 2021.
Machine Gun Kelly will be bringing The 27 Tour to the UK in September 2017. It follows the release of his most recent album, bloom.
The UK tour kicks off in Birmingham at the O2 Academy on Friday 22 September 2017.
The news comes as he prepares to join Linkin Park on the UK leg of their forthcoming One More Light World Tour, which starts on the 27 July in Boston.
Machine Gun Kelly is currently celebrating chart success with At My Best, selling over 4.5 million worldwide.
The crossover sensation will also be appearing at Download Festival on Friday 9 June on the Zippo Encore Stage.
Here are those UK dates:
22 September – O2 Academy, Birmingham
23 September – O2 Academy Brixton, London
24 September – O2 Academy, Leeds
26 September – O2 Academy, Newcastle
27 September – O2 Academy, Glasgow
28 September – O2 Ritz
29 September – Rock City, Nottingham
30 September – O2 Academy, Bristol
Tickets are on sale 9:00 on Friday 9 June 2017 through Ticketmaster.co.uk.