Brett Dier and Keegan Allen are the best of friends. They go out on double dates with their girlfriends, Haley Lu Richardson and Ali Collier, and joke around with each other like no other. In a new photo that the Pretty Little Liars actor posted on Twitter, he shared a photo of himself holding hands with the Jane the Virgin star, and even used the hashtag "boyfriend." Wait…what?!
Click the arrow to see Keegan's tweet.
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"We're totally in love…sorry everyone but he's mine and I'm his #? @Brettdier #backoff #boyfriend," Keegan joked.