Wheatley confirmed her baby news back in June, sharing that she's set to give birth around December 10.
The blonde's baby daddy is her new beau, Lachlan Waugh.
The pair, who met on Tinder, have been together for about a year.
Taking to Instagram, she captioned an image of the pair, and wrote: "WE’RE PREGNANT. Couldn’t think of anything better than starting a family with this handsome man."
She added the following hashtags to her announcement: "#14weekspregnant #14weeks3days #3monthspregnant".