SingerCarrie Underwood appeared to announce that she and her husband, Nashville Predators hockey player Mike Fisher, are expecting their first child, Newsday contributor Frank Lovece reports. In a Twitter posting Monday, the "American Idol" winner turned country-music star posed with the couple's two dogs and wrote, "In honor of 'Labor' Day . . . Ace & Penny would like to make an announcement. Their parents couldn't be happier!" Underwood, 31 -- whose most recent studio album, the platinum-record "Blown Away" (2012), debuted at No. 1 on the Billboard 200 album chart -- and Fisher, 34, married in 2010.