The actress won an Academy Award for portraying the late monarch.
“I knew I was stepping into the hornet’s nest,” the star said.
“The British have a very conflicted relationship with the monarchy.
Queen Elizabeth II and Dame Helen Mirren in The Queen.POOL - Mark Cuthbert/UK Press via Getty Images; Everett Collection
She also pulled from her Emmy-winning performance in HBO’s 2005 miniseriesElizabeth I.
“For an actor, it was a very fascinating journey to make.”
