Taking to social media, Sabelo thanked God "for his kindness" and told fans he couldn't wait to be a dad.
Thandeka also opened up about the couple's new adventure together, saying that no matter how she planned her life, it always ended up being made better with unexpected surprises.
"As much as you want to plan your life, God has a way of surprising you with unexpected things that will make you happier than you had planned."
Take a peek at the snaps from their big announcement.