Guess Which Pretty Little Liars Star Is Riding Keegan Allen's Motorcyle Now? (PHOTO) 1 of 2 Previous Autoplay Next Share Tweet November 13, 2012 at 04:23PM EST by Rebecca Martin Related: Pretty Little Liars, Guess Who?, TV Stars, Keegan Allen full size Credit: Keegan Allen's Twitter Guess Which Pretty Little Liars Star Is Riding Keegan Allen's Motorcyle Now? (PHOTO) Last week, we showed you a pic of Lucy Hale (Aria) riding her Pretty Little Liars co-star Keegan Allen's (Toby Cavanaugh) motorcycle. Now another female PLL star has gotten into the ridin' spirit. But do you know who it is?