On Monday, Rousey posted a quote from Rowling on Instagram , "And so rock bottom became the solid foundation on which I rebuilt my life."
Ronda Rousey ends silence with 'rock bottom' Instagram post →
"Looking forward to proving you all right tomorrow," Rousey said. "It's going to be the happiest New Year ever."
Ronda Rousey returns to reclaim her title belt at UFC 207 →