The singer features on 'This Is For My Girls', the anthem for Obama's Let Girls Learn initiative
Rowland will mentor young singers in a search for the next all-female superstar group
Former Destiny's Child member says she prayed 'Give me two bars'
The singer and X Factor judge was among a group of passengers who had to be escorted back to shore
'You've Changed' features Kelly Rowland, Beyoncé and Michelle Williams
Paulina Rubio will join Simon Cowell and Demi Lovato on the panel