Speaking on an episode of Bethany Frankel's talk show which will air in the US on 10 December – Dina, pictured below with blonde Francesca and the model's stepsister Morgan – denies the marriage to Jordan Feldstein was a publicity stunt.
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Clint Eastwood's estranged wife said Francesca "would actually do something like [getting married], thinking that no one would ever find out."
"They don't get that they are tied to Clint Eastwood or that they have a little bit of success on their own," explained Dina. "So [Francesca] calls me and says, 'I didn't think anyone would find out'."
The former news anchor – who filed for divorce from Clint last month, adds: "I just want to ring her neck, but I am going to hug her, too," and describes the 20-year-old model as: "An adrenaline junkie. She’s a lovely, smart, amazing person who will do a goof-off at a whim."
Dina says during the interview that she thinks an annulment is happening "as we sit on this couch". However by the end of Tuesday neither Francesca nor Jordan had filed papers requesting one in Clark County's family court, where the pair obtained their marriage license.
As for the reports Francesca had been drinking, Dina says: “She says no drinking but she's 20, so of course she tells her stepmom no drinking. What are you thinking? Probably, let's go have a fun day. I don't know what you're thinking but I am going to find out this week, I hope."
Francesca and Jordan, who is the brother of Jonah Hill and manages Hollywood stars including Adam Levine, Maroon 5 and Robin Thicke, exchanged vows at the Simple Wedding Chapel in Las Vegas on 17 November.