Clothing From Because I Said So?

Alright so if anyone has seen "Because I Said So" that would be amazing. In like the beginning of the movie (or in the middle) Milly (Mandy Moore) is going to work and is wearing this really cute like blue dress/tunic. Its at the part where she first meets Johnny (Gabriel Macht). Well anyways does anyone know where i can find that or something similar to it, because i think its really cute and i want it soooo bad! thank youuu