• Elizabeth Debicki opens up about playing Princess Diana's death
  • The actress plays Lady Di in 'The Crown'
  • Season 6 will premiere on Thursday

The glitz and glamour of Hollywood met the solemnity of royal history as Elizabeth Debicki (33) stepped onto the red carpet for the season 6 premiere of Netflix's hit series, 'The Crown.' The Australian starlet shimmered with the weight of a "royal" responsibility – bringing to life the final, tragic days of Princess Diana.

The weight of portraying Princess Diana's final days

"It's an immense, immense responsibility," Debicki confessed to ET's Denny Directo, her voice echoing the gravity of the task. The portrayal of Diana's untimely death was not something the cast and crew took lightly. "It was something that we thought about, that we carried with us, that woke us up in the night," she revealed.

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As the show prepares to tackle the heart-wrenching 1990s and early 2000s, including Lady Di's fatal car crash in August 1997, fans are on the edge of their seats. The trailer teases a Diana wrestling with life post-divorce, hounded by paparazzi hungry for a snapshot of her private life.

'The Crown's sensitive approach to Diana's story

Addressing concerns about the show's handling of Diana's death, Debicki assured viewers of the show's sensitivity. "We tried our very best to do [the story] properly," she stated, understanding the delicate nature of the narrative.

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For fans deeply invested in the series and Debicki's portrayal of the "people's princess," the actress had a heartfelt message: "Thank you for sticking with the show. I hope that we give you what you need from it."

Behind the glamour

Despite the challenges, Debicki found beauty in the role. "It was a very difficult and also very beautiful thing to be asked to do as an actor," she shared, highlighting the duality of her experience.

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But it wasn't just emotional hurdles Debicki faced. Transforming into Princess Diana was a time-consuming endeavor. The Crown's hair and makeup designer, Cate Hall, spilled the beans to 'ET', revealing Debicki spent "upwards of 30 hours" prepping for the role, complete with eyebrow dyes, spray tans, and daily beauty routines to embody a post-divorce Diana.

Get ready to binge-watch the royal drama unfold as 'The Crown' season 6 part 1 drops on Netflix on Nov. 16, followed by part 2 on Dec. 14.