Guest Host Melissa McCarthy Gets Advice from Kristen Bell

Melissa McCarthy took over for Ellen and received a very special message from her "The Boss" co-star Kristen Bell with an important tip for guest hosting the show. Plus, Melissa kicked things off with an incredible performance by the Season 16 "So You Think You Can Dance" All-Stars! "So You Think You Can Dance" returns to FOX this summer, starting Monday, June 10th at 9/8central. #MelissaMcCarthy #KristenBell #TheEllenShow