Sterling Knight - Chaddys Awesome Birthday Sony chords

This is the song Chad sings to Dakota in the Sonny With A Chance episode, Dakota's 
Revenge. I tried to see what chords he used, directly from the episode. Correct me if I'm 
wrong! Hope you like it!

NO CAPO
[ Tab from: http://www.guitaretab.com/s/sterling-knight/263043.html ]
    Em                        G
Dakota, it's your birthday and it shouldn't be bad.

Em                         G
You deserve the best, the gift of Chad!
   Em                          G
So come on lucky girl, let's sing along,
D
To Chaddy's awesome birthday song!
Em            G
Chad, Chad, Chaddy, Chad, Chad!