Queen Latifah reveals which former coach she called for advice before joining "The Voice" and her total "domination" of the initial blind rounds.

Queen Latifah holds court in the first trailer for the upcoming 30th season of "The Voice," which will kick off a 3-night season premiere on Sept. 21.

Queen Latifah reveals which former coach she called for advice before joining "The Voice" and her total "domination" of the initial blind rounds.