American Idol, Season 5 finalist Kellie Pickler will perform on the show that gave her her big break on Thursday. Kellie will perform her new single "I Wonder" during this week's Idol results show.

In case you haven't been keeping up with Kellie's post-Idol career, she released her debut album Small Town Girl on Halloween. The album, which features the hit single "Red High Heels," has been certified gold.

Related Links:

• List of Celebrity Guests Appearing on Idol 6
• Kellie Pickler Photo Gallery