Celebrity babies and pregnancies of 2012

Slideshow posted in Photos | Sunday, January 15, 2012

22 of 261: 'Bachelor' couple Jason Mesnick and his wife Molly Mesnick welcomed their first child together, a baby girl named Riley Anne, on March 14, 2013.

Jason, 36, announced the news on Twitter. His wife added: 'Oooo this little peanut has already got me wrapped around her finger! #RileyMesnick.'

Jason also has a son, Ty, from a previous marriage. Molly has no other children. The two wed three years ago, on Feb. 27, 2010, in a televised ceremony and announced Molly's pregnancy in October 2012.

The couple met on the 13th season of 'The Bachelor.' Molly was the runner-up during her and Jason's 'Bachelor' season. He proposed to contestant Melissa Rycroft but he later broke up with her during the season finale and reunited with Molly during the episode.

Rycroft wed Tye Strictland in December 2009 and welcomed her own first child, a daughter, in February 2011.

Jason and Molly became the second pair from the ABC dating reality show franchise to have their wedding televised. Check out 4 'Bachelor' / 'Bachelorette' couples who tied the knot on TV.

(Pictured: Jason and Molly Mesnick appear in an undated photo from Molly Mesnick's Twitter page.) (Twitter.com/MollyMesnick)