Candice Swanepoel and her son Anaca. Picture: Instagram/Candice Swanepoel

South African-born super model Candice Swanepoel and her fiancé Hermann Nicoli - with whom she already has 20-month-old Anacã - have welcomed a second son into the world, the beauty revealed on Instagram on Tuesday.

Posting a picture of her newborn son holding her finger on her Instagram Story, Candice drew a yellow heart around the image and simply wrote: "Blessed."

Candice Swanepoel's Instagram (c) post

Just a day before announcing the birth of her second son, Candice shared a playful pic of her and big brother Anaca on Instagram, captioned: "Monday morning cuteness💕Hoping to meet our newest addition soon! So ready for the next phase..and to be able to see my toes again.(sic)"

Candice previously admitted that she wants to have a "bunch of kids" but would leave her future in the hands of fate.