Chords used:
Capo 2nd fret
e|--5-------|
B|--5-------|
G|--5-------|
D|--7-------|
A|--7-------|
E|--5-------|
Am
e|--X-------|
B|--8-------|
G|--9-------|
D|--9-------|
A|--7-------|
E|--7-------|
Em
[ Tab from: https://www.guitartabs.cc/tabs/j/justin_bieber/bad_day_crd.html ]
But if you want to play exactly like the song goes you have to add also two sounds on
the high e string. It looks like this:
e|--5---7----|
B|--5---5----|
G|--5---5----|
D|--7---7----|
A|--7---7----|
E|--5---5----|
Am
e|--X---X----|
B|--8---10---|
G|--9---9----|
D|--9---9----|
A|--7---7----|
E|--7---7----|
Em