One Tree Hill star Hilarie Burton is embracing her grey roots.Unable to visit a salon during COVID-19 pandemic, the 37-year-old actress recently posted an inspiring message on Instagram about keeping perspective during these testing times."The "silver lining" is literally growing out of my skull," the actress captioned a photo of her showing off her roots. "For all of our frontline and essential workers who are too busy to fuss with things like hair color, I grow mine out in solidarity with you." Silver lining: Hilarie Burton, 37, recently posted an inspiring message on Instagram about keeping perspective during these testing times.She added, "When I see it, I'm reminded of all you're doing to keep us safe.