Recalling the horror attack at Coogee Beach on June 13 that left her fighting for life in hospital and needing to have an arm amputated left Stewart in tears in a new promo for her extended interview with 60 Minutes.

Leah Stewart has shared her first public message to thank people for their support.

Sydney shark attack victim Leah Stewart says she has not fully recovered more than two months after the incident, but feels like she has been given a "second chance at life".