Celebrity babies and pregnancies of 2012

Slideshow posted in Photos | Sunday, January 15, 2012

27 of 261: Melissa Joan Hart of 'Sabrina, the Teenage Witch' welcomed her third child with musician husband Mark Wilkerson on September 18, 2012. Tucker was born at 10 p.m. and weighed in at 8 lbs., 5 oz.

Hart announced her third pregnancy on Twitter on April 17, a day before her 36th birthday. She also posted a photo that showed her standing with her husband and their two sons Mason, 6, and Braydon, 4. The actress married Wilkerson, lead singer and guitarist for the alternative rock band Course of Nature, in Florence, Italy in July 2003.

(Pictured: Melissa Joan Hart appears in a photo posted on her official Twitter page on August 15, 2012. / Melissa Joan Hart shares news of her pregnancy with her Twitter fans via this photo of her with her family, posted on April 17, 2012.) (Twitter.com/MelissaJoanHart)