Hilarie Burton is looking on the bright side. "The "silver lining" is literally growing out of my skull," the One Tree Hill alum shared on Instagram, alongside a selfie 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." She continued, "When I see it, I'm reminded of all you're doing to keep us safe.