One Tree Hill starlets Haley (Bethany Joy Galeotti) and Mia (Kate Voegele) will appear in the Oct. 12 episode of Life Unexpected, in which they'll perform at a music festival sponsored by Cate and Ryan's radio station. Entertainment Weekly first reported the news.
Life Unexpected moves to Tuesday nights this fall following One Tree Hill.
New seasons of both shows premiere Tuesday, Sept. 14.
What do you think of this crossover?