Kristen Bell has admitted that she's revealed "the entire plot line" of Frozen 2 to her daughters.
The 39-year-old actress, who voices Anna for the second installment of the animated Disney mega-hit, entrusted her two daughters with the kind of information millions of Frozen fans are desperate to discover.
Four-year-old Delta and six-year-old Lincoln know "everything" about the movie, but their mother has warned them they could get "big time busted" if they break their vow of secrecy.
Speaking to E! News at Disney's D23 Expo, Kristen Bell said: "I did explain to my kids that they can't talk about it.
"I was singing the songs to them very early on and thank God their words are still muddled when they're singing, which has saved me a couple times when they've gone full voice with a new hit from Frozen 2 in the middle of the living room.
"I'm like, 'Oh, oh, don't.' I had to explain to them they couldn't really talk about it, this had to be a secret."
She added: "I have told them the entire plot line. They know everything, they know all the new characters, they know all the new songs.
"And they can sing them, but they know they're gonna get big time busted if they tell anyone."
Plot details about Frozen 2 are being kept under wraps until the new movie is release on November 22.
Idina Menzel will return as Elsa, while Josh Gad is also back again to voice the much-loved, talkative snowman Olaf.
