Kris Jenner Has Mixed Feelings on 'American Crime Story': 'Nicole Brown Simpson Was So Dear to My Heart'

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While there’s a lot of excitement surrounding Ryan Murphy’s true
crime anthology series, American Crime
, at least one person has some trepidation about the first
installment, which will cover the O.J. Simpson murder trial.

Kris Jenner admitted that her “feelings are truly mixed”
when it comes to the series, dubbed The
People vs. O.J. Simpson
, because of her own personal history with the

“It was such a tragic story,” Jenner told ET at Kelly
Rutherford’s event for the Children’s Justice Campaign. “It's something that
you know you'll never be able to get over in any kind of a way where you don't
think about it all the time.”

WATCH: Kris Jenner Address Her Critics Following Bruce Jenner's Interview

Before she was the matriarch of the Kardashian clan on Keeping Up with the Kardashians, Jenner
was best friends with Nicole Brown Simpson, who was tragically killed in 1994. Her
ex-husband, O.J. Simpson, was tried for her murder with Jenner’s own ex, Robert
Kardashian, serving as a member of former athlete’s “dream” defense team.

“Nicole was so dear to my heart, and I think about her and
have such great cherished, treasured memories forever in my heart,” Jenner added.

During the highly publicized trial, Jenner – who was
pregnant with Kendall, her first child with then-husband Bruce -- sat in court,
wearing her late friend’s hand-me-down maternity clothes.

“When these things come back up, it's like it was a minute
ago sometimes,” Jenner said of the trial, which happened just over two decades

As Murphy’s show takes shape, the casting news continues to
roll out with the latest being that Selma Blair has been cast as Jenner. “I
think she'll do a great job,” Jenner said of the announcement.

WATCH: John Travolta Discusses His Return to TV for Ryan Murphy's 'Crime' Series

The actress also tells ET she’s excited to take on the role
and life of Jenner before she became the brand she is today. “We don't really
know too much of Kris before the Kardashians
started,” Blair said at the same event. “So it's interesting to look, to take a
glimpse into her life before we all knew her.”

Blair joins a robust cast which includes David Schwimmer as
Robert Kardashian, Cuba Gooding Jr. as O.J. Simpson, John Travolta as Robert
Shapiro, and Sarah Paulson as Marcia Clark. Jordana Brewster will play Denise
Brown and Connie Britton will have a small role as Faye Resnick.

American Crime Story:
The People vs. O.J. Simpson
will air on FX in 2016.