'Despicable Me 4' director Chris Renaud on working with Steve Carell

Director Chris Renaud reveals how much improv Steve Carell does with the character of Gru in Despicable Me 4 and the other Despicable Me movies. He tells Alexandra Heilbron how new additions to the cast, such as Will Ferrell and Joey King, came up with the voices for their characters. 

Despicable Me 4 is now available on Digital and VOD.