"I bet it comes out when you're asleep tonight," said Hart, who is holding the couple's adorable 8-month old baby, Jameson, in his arms.
"Because of you!" Willow shot back, laughing.
"Are you gonna let Papa pull it out with dental floss?" Pink asked.
"No. Because I don't want him to," Willow replied. When her dad offered her a bet as to whether or not he'd be able to get them out in her sleep, Willow said defiantly, "No, you won't. I sleep with my mouth closed."