**ALL ROUND PICTURES FROM SOLARPIX.COM**.**SYNDICATION RIGHTS FOR UK AND SPAIN ONLY**.The American singer Mariah Carey performed on the 4_04_08 on the German casting show Look for a Superstar in the city of Cologne in Germany..JOB REF: 6076-CPR/ Henning Kaiser DATE:04_04_08.**MUST CREDIT SOLARPIX.COM OR DOUBLE FEE WILL BE CHARGED* *UNDER NO CIRCUMSTANCES IS THIS IMAGE TO BE REPRODUCED FOR ANY ONLINE EDITION WITHOUT PRIOR PERMISSION*