Millie Bobby Brown has left minds blown after revealing that her real name isn't Millie Bobby Brown - and even her Stranger Things co-star Noah Schnapp was none the wiser.
The actress, 21, found fame as a child in the role of Eleven in Stranger Things, so many people would assume they know pretty much everything there is to know about her.
But it turns out none of us really knew her at all - as her real name has never been Millie Bobby Brown.
Millie first revealed that her name isn't what we've always thought it was while she was promoting her Netflix film The Electric State alongside Hollywood A-Lister Chris Pratt.
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Questioning her name, the Guardians of the Galaxy actor asked: “Is it Millie Bobby Brown?”
“My middle name is Bonnie,” she revealed, correcting him.
A confused Chris repeated back: “Millie Bobby Bonnie Brown?” but the star quickly set the record straight. “No, it’s not Bobby. It’s Millie Bonnie Brown.”
Stunned, Chris pressed for more details. “Really?”, to which Millie replied: "I’ve never told anyone that. You heard it here first."
Well, it turns out that even Millie's co-star Noah Schnapp can't get his head around her name - especially as she's changed it again since marring Jake Bongiovi.
When asked what Millie's full name was in an exclusive sit-down interview with VT, Noah joked: "Milither?"
He then asked: "It's Millie? Bonnie? Brown?", to which Millie replied: "Well, now..."
Noah then corrected himself and said: "Millie Bonnie Brown Bongiovi," to which the actress replied: "No!"
He then guessed: "Millie Bonnie Bobby Brown? It's so long! Millie Bonnie Bobby Bongiovi Brown?"
Millie then corrected him again, clarifying: "No! No Bobby."
After a lot more guessing, Millie finally clarified that her full name is now Millie Bonnie Bongiovi - or Millie Bon-Bon for short.
Millie previously revealed that she changed her middle name for her stage name.
She and Jake got married in a private ceremony in May 2024 and the couple welcomed a daughter by adoption earlier this year.
At the time of their marriage, a source told The Sun: "Millie and Jake quietly said their vows in America last weekend."
The source added that while they planned to have a larger ceremony later down the line, the couple had "legally married and done all the paperwork."
The ceremony was described as a "very low-key, romantic affair" attended by their closest family members.
Despite the couple's young ages, Jake's dad - singer Jon Bon Jovi - shared his support telling Andy Cohen in a radio interview: "I don't know if age matters; if you find the right partner and you grow together, I think that would be my advice, really, is growing together is wise."