Apple frequently takes a strong stance on environmental issues, so it should come as no surprise that the company commemorates Earth Day every year. But nonetheless, here's something we didn't expect to see — CEO Tim Cook, Eddie Cue- Apple’s senior vice president of Internet software and services, and Phil Schiller -Apple’s senior vice president of worldwide marketing joyously dancing to Pharrell Williams' "Happy" in celebration.

The silver-haired Apple CEO waved his hands in the air like he just didn’t care at an outdoor celebration . They unabashedly busted some funky cold conservative moves on stage in front of a throbbing sea of partying underlings, to the beat of Pharrell’s bubbly live rendition of “Happy.”