Luck has had drama lessons since the age of seven. She has trained with the Performing Arts Academy, and is currently continuing her acting and singing courses in its professional training program. In her spare time Luck enjoys dancing, surfing, horse riding and spending time with friends. She attended Crestwood High School (although she was tutored while on set) and undertook the Higher School Certificate in 2007. Luck is known to be a Christian and attends Hillsong Church. She has a younger sister, Stephanie, who also attended Crestwood High School.