Getty Hayden Panettiere is looking back at her romance with Stephen Colletti, nearly 20 years after they dated. If you didn't know, the 36-year-old Nashville actress and the 40-year-old One Tree Hill actor dated for nearly two years after being linked in 2006. They went their separate ways by the end of 2007. In a new interview with Us Weekly, Hayden looked back fondly at her relationship with Stephen, who she said was "very protective." "I'm so grateful that he was part of my life, especially when he was," Hayden shared.