Why Is Blake Lively Famous? 5 Weird Fan Questions Answered by Wetpaint Entertainment Share Tweet Remind Me To Watch Reward Me 2 of 7 Previous Autoplay Next July 15, 2012 at 01:00PM EDT by Semhar Debessai Related: Gossip Girl, Blake Lively, Character Relationships, Gossip full size Credit: Jen Lowery/Getty Images; Anna Gregg/Splash News Does Blake Lively Have a Twin? Blake does not have a twin. However, she does have an older brother — Eric Lively, also a working actor — and two half sisters. In fact, Blake took all of her siblings, and her mother, Elaine, as her dates to the premiere of last summer’s Green Lantern (co-starring her now-BF Ryan Reynolds).