She married her multi-millionaire Hollywood agent husband Patrick in May last year.
And on Thursday, Pia Whitesell (née Miller) revealed the couple’s family plans during an Instagram Q&A with fans.
The Chilean-born Australian model and actress, who is already a mother of two, was asked if she’s planning to have a baby with Patrick, 57.
She also shared another sweet picture of Princeton napping in her arms when a fan asked how her day was going.
‘Soooo goood,’ Pia wrote back.
Pia married her husband Patrick in May last year.
She permanently relocated from Sydney to the US in September.
Pia travelled abroad with her sons, Isaiah, 18, and Lennox, 13, and has been settling into life in Los Angeles.
She welcomed son Isaiah when she was 19, with his father’s identity being kept under wraps, and welcomed Lennox with ex-husband and AFL star Brad Miller.
Patrick, the CEO of Hollywood talent agency WME, is worth an estimated US$440million (AU$630million).
Patrick’s clients include Ben Affleck, Christian Bale, Matt Damon, Michelle Williams, Idris Elba, Jake Gyllenhaal, Hugh Jackman, John Krasinski, Jude Law, Ryan Reynolds and Denzel Washington.