Thursday, September 17 marks Lexi Ainsworth's official on-air return to the role of Kristina, Sonny and Alexis's daughter, which she played from 2009-11. "I was pretty shocked when I got the call," Ainsworth admits. "It was definitely a surprise, but I was very excited." She says she's grateful for the support she's received from GH fans both before and since the announcement of her comeback. "I'm pretty overwhelmed by the amount of love they show me," she beams. "It's so heartwarming." For more with the actress, check out the issue of Digest on sale tomorrow.