Vicky Vaughn Ad #2 (Seventeen - August 1971)

I cannot currently identify the model on the far left and the far right of this picture, but the others are (from left to right): Colleen, Joyce Walker, Randi Oakes and Li Bailey.
 

Colleen Corby, Joyce Walker, Randi Oakes & Li Bailey. (Vicky Vaughn Ad - 1971)