In order to play Princess Diana in the upcoming film "Spencer" (opens in new tab), Kristen Stewart (opens in new tab) had to thoroughly research the late royal's life. For the actress, one of the most powerful aspects of Princess Diana (opens in new tab) was her close relationship with her sons, Prince William (opens in new tab) and Prince Harry (opens in new tab), she explained in a new interview with Entertainment Tonight (opens in new tab) opens in new tab), she explained in a new interview with Entertainment Tonight (opens in new tab).

Noting how deftly Stewart embodies Princess Diana (opens in new tab), the interviewer asked, "Which part of her was the most nerve-wracking to get right, or where did you work the hardest on the physical transformation?"

The interviewer asked.

Stewart knew exactly what to answer this." She replied, "Probably the part that requires zero preparation, complete trust and a kind of soul, and that is the relationship she has with her children. "But when her children are near her, they are ...... It is a nucleus, an animal with three heads, like an unstoppable beast."

For Stewart, royal or not, there was something primal and instinctive about the relationship between this mother and her two sons." I feel a kind of awe for that image, which is ...... I mean, it's a pretty universal image," she continued. 'Don't make fun of my mom. Don't make fun of Mom. I think she feels like she embodies herself when she's with her kids.

Stewart received a standing ovation (open in new tab) for her performance in "Spencer" (open in new tab) at the Venice Film Festival. I can't do it. I can't wait for November 5, when the film opens.