Christie Brinkley is “finally happy” when she looks at herself in the mirror.On Tuesday, the former supermodel took to Instagram to celebrate her 70th birthday.In her mirror selfies, Brinkley posed in a white Alo sports bra and black leggings as she flexed her bicep for the pictures.“Looking in the mirror on my 70th Birthday and what do I see,” she began her caption which read like a poem. “I’m finally happy with the person looking back back at me. I’m no longer critical and demanding, now I’m grateful and understanding.” She continued, “I’ve put this body thru it.
