Best Friends Brother

Ella Thorne and Hayley Black are best friends who tell each other everything. Except the fact that Ella is dating Hayley's brother, Hayden.

Ella and Hayden have kept this from Hayley since 8th grade, and their about to graduate high school. They plan to tell her after, but then prom comes around, and Hayden wants to take Ella.

Word spreads about the two dating and Hayley finds out. How will she react?