"Hakuna Matata" means no worries for the rest of your days -- but did the stars of Disney's re-imagining of "The Lion King" have any worries about tackling one of the iconic film's most beloved songs?

A baby is left in amazement as he excitedly watches The Lion King trailer - showing off a hilarious mixture of facial expressions. Kellan Carey was watching movie trailers with his dad Brendan, at ...