I have been trying to find this song on the net so i can download it but i don't know who sings it....

Get a little weak when i'n near u..I can't get to sleep thinking bout u....Gyrl i gotta jones what can i do..i don't think u know just what i'm going through...but i think u know just how to turn me on..think u know that u. u got it going on..I try to please u ever so politly..do u do what u do just to spite meeeeeee...
helpp me i loveeeeeee this song just can't find it anywhere?/