March 17, 2011 4:56 pm Steven Tyler on Why He Joined “American Idol” At the PaleyFest 2011 panel for “American Idol,” fans find out how and why Steven Tyler was chosen as a new judge for the FOX reality series. US & World Videos 4:06 Kelly Clarkson surprises lucky audience member with celebrity gift bag 2:27 Emma Stone dazzles with co-star Joe Alwyn at Cannes Film Festival 3:02 Mia Rubín shares biggest business lessons parents have taught her ahead of debut album release 3:49 Tyra Banks opens up about motherhood and reveals how Jennifer Lopez inspired her 4:40 Whoopi Goldberg defends Harrison Butker amid speech backlash