Hayden Panettiere shared a sweet throwback snap with her 5-year-old daughter, Kaya, for her birthday.“Seems like this picture was taken yesterday,” the actress, 30, captioned her Wednesday, June 10, Instagram upload. “Can’t believe my baby is 5 already! Time flies.”In the social media upload, the Nashville alum held her then-toddler in her arms while looking off into the distance.The New York native welcomed her baby girl in December 2014 with her then-fiancé, Wladimir Klitschko.