Cassper Nyovest, Lasizwe Dambuza, Tshepi Vundla and Ayanda Thabethe were among the celebrities who flooded her post with congratulatory messages.
Proud father Andile Mpisane, who has two children with socialite and DJ Sithelo Shozi, said he was looking forward to witnessing Tamia being a mother.
"This is beautiful, my love. I know you’re going to make an amazing mom and I can’t wait to witness every moment of it. I love you, Mama we khaya," he wrote.
Andile's mother Shauwn "MaMkhize" Mkhize and sister Sbahle Mpisane shared the same sentiments.
"Ncoooah! I’m so happy for you guys. Being a parent is not easy but I’m confident you and Andile will be great parents together. Siyabonga Makoti (thank you) " MaMkhize wrote.
"I can already visualise how beautiful your new journey will be for you and for us by your side Ngiyanijabulela sis wami (I'm so happy for you guys my sister), warm love," Sbahle wrote.
Tamia and Andile were married in December last year.