Country singer Carrie Underwood has announced that she and her husband, NHL player Mike Fisher, are expecting their second child. Channel24 reports Carrie broke the news on Wednesday in a video shared across her social media channels. In the clip Carrie says: ?You might be wondering or asking, ?Carrie, why is your tour starting in May?? Well ? Mike, Isaiah, and I are absolutely over the moon and excited to be adding another fish to our pond.?