The award winning actress has reunited once again with James Cameron, the man who turned her into an Oscar-nominated action hero in 1986 with the film Aliens, on Avatar: The Way of Water. But this time her role came with a catch – she’s playing a 14-year-old. To do it right, the actress shares how she had to dig deep to rediscover the girl she once was, and to look clear-eyed at the legend she’s become