Jo Dee Messina and husband Chris Deffenbaugh are expecting their second child. On Thursday (Oct. 20), Messina wrote on Twitter, "Our family is very excited. In a few months, Chris, Noah and I will be welcoming BABY #2!!!" Their first child, son Noah Roger Deffenbaugh, was born in January 2009. The couple married in October 2007. Messina's hits include "I'm Alright," "That's the Way," "Bring on the Rain" (with Tim McGraw) and "My Give a Damn's Busted."