Percabeth1233 got that one first. It was Don't Cha by the Pussycat Dolls.

The next one is, 

I will not make
The same mistakes that you did
I will not let myself
Cause my heart so much misery
I will not break
The way you did, you fell so hard
I've learned the hard way
To never let it get that far_______ __ ___
I never stray too far from the sidewalk
_______ __ ___
I learned to play on the safe side so I don't get hurt
_______ __ ___
I find it hard to trust not only me, but everyone around me
_______ __ ___
I am afraid