verses~
e|------------------------------------------------------|
B|----------6---------5---------------------------------|
G|------5---------5-------------------------------------|
D|---7--------7-----------------------------------------|
A|------------------------------------------------------|
E|------------------------------------------------------|
[ Tab from: https://www.guitartabs.cc/tabs/e/ellie_goulding/explosions_tab.html ]
pre-chorus/bridge~
e|--------5-----------------------------------------------|
B|-----6-------5------6--------8--------------------------|
G|--7-------6------7--------9-----------------------------|
D|--------7------8-------10-------------------------------|
A|--------------------------------------------------------|
E|--------------------------------------------------------|
for the chorus it's the same as those^
except i strum them all together