Watch out ladies! "American Idol" champ David Cook is single again. The singer has broken up with GF Kimberly Caldwell.
"Kimberly and David ended their relationship just before the holidays," Caldwell's rep confirmed to In Touch magazine. "The couple remain good friends and, being very private people, appreciate their privacy at this time."
Kimberly was a finalist on the second season of "Idol." The eighth season of the hit music show premieres tonight on FOX.