"'What doesn't kill you only makes you blonder'," Lambert captioned the pic. "Thanks @leewright_hairstylist and@stylehousesalon for the new do! #platinum #blondeshavemorefun."
Miranda’s been "living on caffeine and sad songs" and leaning on her friends for support in the wake of her recent split. See what bestie Ashley Monroe had to say about the country star in the video below.