DELHI, INDIA - FEBRUARY 21: Graeme Smith and Morgan Deane pose during the evening function at the Taj Palace on February 21, 2011 in Delhi, India (Photo by Lee Warren/Gallo Images/Getty Images)

Cape Town - South African cricket star Graeme Smith has announced he is to become a father for the second time.

The Proteas Test captain confirmed the news that his wife Morgan is pregnant with their second child on Twitter on Monday.

“Great news to start the week. smith family growing quickly, myself and Morgs are expecting our 2nd child, 3 month scan done!” he tweeted.

Irish singer Morgan also expressed her joy on Twitter: “So excited to say we are expecting our second baby!!!! we’re 3 months pregnant and feeling so blessed.”

Graeme, 31, who marks his 100th Test as captain in the first Test against Pakistan on Friday, has a daughter Cadence who was born in July last year.