Julia Roberts is blown away when she learns she’s not really a Roberts

Julia Roberts may forever be Pretty Woman, but the cinema icon just found out she really isn’t Roberts. (Check out the video below.)

In a recent episode of PBS’s “Finding Your Roots,” DNA testing and census research revealed that the Oscar-winner came from a paternal family named Mitchell, not Roberts.

“Your Julia Mitchell. You’re not biologically a Roberts,” host Henry Louis Gates Jr. told the star.

“Wow,” Roberts replied. “Is my head straight? Am I facing you?”

“I’m overwhelmed,” she added.

The “Erin Brockovich” actor learned that she was not related to who she believed to be her great-great-grandfather, Willis Roberts. He was dead long before her great-great-grandmother, Rhoda Suttle Roberts, gave birth to the film icon’s supposed great-grandfather, John Roberts.

As it turned out, John’s father was a married man named Henry McDonald Mitchell Jr. who was having an affair with Rhoda Suttle Roberts. Mitchell lived a few miles away, while his mother lived just doors down from Suttle Roberts, Gates said.

The show compared DNA samples from the celebrity and one of her father’s cousins ​​to others in a database and found a cluster of matches pointing back to Mitchell.

While Roberts tried to wrap her “arms” around the revelation, she still concluded, “I prefer the name Roberts.”

This wasn’t the first historic dish to surface about Roberts in recent times. In October, she announced that the late Martin Luther King Jr. and his wife, Coretta Scott King, had paid the hospital bill for her birth. The Kings became close to Walter and Betty Lou Roberts through the drama program they ran in Atlanta.

Finding Your Roots has made some cool genealogical discoveries over the past few years, from noting that Sen. Cory Booker (DN.J.) and RuPaul are actually cousins ​​​​to confirming that actor Ed Norton related to Pocahontas.