Chyler Leigh's biggest 'Grey's Anatomy' regret exposed after death of costar Eric Dane

Chyler Leigh’s biggest ‘Grey’s Anatomy’ regret exposed after death of costar Eric DaneChyler Leigh has been living with regret about the casting in Grey’s Anatomy that she has now shared after the death of her co-star Eric Dane.For those unaware, Leigh played the role of Lexie Grey, the…