"Why am I crying on Oprah?" Pharrell asked, rhetorically, after he teared up while watching a video of people dancing to his No. 1 song "Happy." Well, everyone cries to Oprah, my friend. Your tears are just likely more genuine than most's: "It’s overwhelming, because I love what I do and people can believe in me for so long and I can make it to this point to feel that." He's just happy.