On the set of "Pretty Little Liars," Keegan Allen talks with AccessHollywood.com about what it's been like watching Spencer and Toby's relationship in the show evolve over the years. Plus, the actor addresses the show coming to an end, and the series finale. "Pretty Little Liars" returns for its final 10 episodes on April 18 at 8/7c on Freeform. » SUBSCRIBE: bit.ly/AHSub » Visit Our Website: www.AccessHollywood.com/ Get More Access Hollywood: Facebook: www.facebook.com/AccessHollywood Twitter: twitter.com/accesshollywood Instagram: instagram.com/accesshollywood Snapchat: OfficialAccess About Access Hollywood: "Access Hollywood" is a nationally syndicated daily entertainment news show. "Access Hollywood" delivers the most comprehensive coverage of entertainment news and personalities on television, featuring in-depth celebrity interviews and behind-the-scenes accounts of the most important events in Hollywood. 'Pretty Little Liars': Keegan Allen On #Spoby & How Fans Will 'Flip Out' Over The Series Finale youtu.be/VvS59nwjxCI Access Hollywood www.youtube.com/user/AccessHollywood