Kelly Clarkson Cries while performing on American Idol stage.

The mother of one, who is also expecting recently performed on the American Idol stage. It is important to note that she was the winner of the first season of the show which is currently in its final season. While performing her song, Piece by Piece she had everyone in tears and even broke down herself.

The song which was written by Kelly about her dad who abandoned her was very moving and affected the judges in an obvious way. In an interview with Ryan Seacrest, she said that she was nostalgic and couldn't believe that it was the last season. She also mentioned that it was a touching song for her since she wrote it when she was pregnant with her little girl and now she's pregnant with her son, and hopes he comes out soon.