Hayden Panettiere is feeling nostalgic. Taking to Instagram, the Nashville star posted a throwback picture with her 5-year-old daughter Kaya, who she shares with ex Wladimir Klitschko. Holding her baby girl, Panettiere can be seen sharing a sweet embrace with Kaya, whose back is facing the camera. "Seems like this picture was taken yesterday," she captioned the adorable mother-daughter snap.