Intro
e----------------------------------------------------------|
B----------------------------------------------------------|
G----------------------------------------------------------|
D-9-6-9-6-7-4-7-12-9-12-11-7-11----------------------------| X2
A----------------------------------------------------------|
E----------------------------------------------------------|
Chorus
e----------------------------------------------------------|
B----------------------------------------------------------|
G----------------------------------------------------------|
D-9-6-9-6-7-4-7-12-9-12-11-7-11----------------------------| X2
A----------------------------------------------------------|
E----------------------------------------------------------|
Verse
[ Tab from: https://www.guitartabs.cc/tabs/j/jason_derulo/ridin_tab_ver_3.html ]
e------------------------------------------------------------|
B------------------------------------------------------------|
G-9-----7----------------------------------------------------|
D-9-X8--7-X16-7----------------------------------------------|
A-7-----5-----7-X8-------------------------------------------|
E-------------5----------------------------------------------|
Bridge
e------------------------------------------------------------|
B------------------------------------------------------------|
G-9-----7----------------------------------------------------|
D-9-X8--7-X16-7----------------------------------------------|
A-7-----5-----7-X8-------------------------------------------|
E-------------5----------------------------------------------|
for example check this out
http://www.youtube.com/watch?v=4v77NSf2bvg