Singer Kelly Clarkson, who won the first season of American Idol, will now appear as a guest judge for the reality TV show’s last season. The singer will join the panel for the show and will also perform, reports femalefirst.co.uk. “We have invited her to be part of this season and she’s really happy to be. She will be a guest judge on our first live top 10 show and she’ll also perform,” said Trish Kinane, the show’s executive producer.
