e|---0----0----0----0----0----0--------------------------|
B|---0----0----0----0----0----0--------------------------|
G|---2----1----4----4----4----6--------------------------|
D|---2----2----4----4----4----6--------------------------|
A|---0----2----1----1----1----4--------------------------|
E|---0----0----0----0----0----0--------------------------|
down strum all these chords and for the chorus add more strumming to your liking,
please edit this if you find any mistakes/errors.
p.s.
I personally like to play it with capo on 2nd
[ Tab from: http://www.guitaretab.com/j/jason-derulo/376781.html ]