In anticipation of “LEGO Movie 2: The Second Part” we talked to voice acting coaches Joan Baker and Rudy Gaskins about some of the ways Hollywood actors train their voices for animated movies. The “LEGO Movie” sequel has even more star power than the 2014 original with Chris Pratt Elizabeth Banks and Will Arnett reprising their roles and new personalities like Tiffany Haddish and Stephanie Beatriz joining the cast. Celebrity voice casts are becoming the norm for big-budget animated movies. But how do big-name actors prepare for voice roles? Joan and Rudy two veterans of the voice acting world explain all the behind-the-scenes exercises and tricks actors use when they voice animated characters.