Bad Intentions {TVD}

Alina Gilbert is one of those people that you can't tell is hurting, but her twin sister, Elena? She basks in the sympathy. Alina is the reckless twin, she does what she wants when she wants and she has no filter. So when the extremely attractive Salvatore brothers move into town, the sisters change.
So, it's sister for sister and brother for brother. Except when Alina's carbon copy comes into town, is her relationship meant to survive? Or are they meant to crash and burn?

Season 1-4