and acting as part of a whose who of teenage heartthrobs including christina aguilera, jc and one 11-year-old who caught his eye. ♪ >> britney spears. >> chuck tutored justin and the other child stars on the show. >> these are your kids? >> we start down here with christina. we go up here already showing a bare midriff britney and justin timberlake next to her. >> with his arm around her. that was foreshadowing. >> just two years after joining the show the spotlight suddenly vanished when the mickey mouse club was cancelled. justin had to return to his sleepy hometown in tennessee.