American Idol star KRIS ALLEN is in mourning following the death of his grandmother.
The singer, who won the TV talent contest earlier this year (09), was devastated to learn his beloved gran had passed away - and he has pulled out of a scheduled appearance on The Tonight Show With Conan O'Brien later this week (begs13Jul09) to get over his loss.
Allen writes on his personal Twitter.com page, “I know I was supposed to do conan on wed, but there was a death in my family.”
The singer is still set to appear on the American Idol tour on Thursday (16Jul09), his spokesperson tells Access Hollywood.