Unfortunately for Nick, the fans wanted to see him chug!
Although, Nick managed to make slime look good!
Watch him chug (above) and get slimed (below)!
Good Morning America brought Katy to contest winners Lakewood High School for a one-of-a-kind Prism pep rally and birthday bash!
Ch-ch-check out the video (above) to see Katy give an amazing (and athletic!) performance as she teaches these kids how to Roar!
Interview and Walking On Air