The actress shared the candid snap with her followers, posting it with the caption: ‘Allo bebby.’
The star sports a tight grey t-shirt which shows just how big her baby bump is getting!
Tina announced that she was expecting her second child with partner Adam Crofts.
The 30-year-old met has been dating Adam for three years and the couple haven’t ruled out making wedding plans in the near future.
Speaking about her other half in an interview, Tina revealed: Meeting him and falling in love was just so unexpected. Adam is all of the things I want in a man. He is wonderful, very, very caring and supportive and he makes me happy.
‘It’s hard to explain how special he is, but I know he’s got my back.’
The couple revealed her pregnancy by sharing a copy of a baby scan on her Twitter page with the caption: ‘So @adstraining85 and I have some lovely news...’
After being inundated with messages of congratulations, she followed the tweet up with: ‘Thanks for your lovely comments we are so happy! Can't wait to have a little brother or sister for Scarlett to boss around.’
Tina is already mum to 5-year-old daughter Scarlett from her relationship with former co-star Ryan Thomas.
Tina shot to fame when starred in Coronation Street as Sarah-Louise Platt from 1999 to 2007.