"Happy" is a feel-good song by American singer-songwriter Pharrell Williams. It was released in 2013 as the lead single from the soundtrack of the animated film "Despicable Me 2," in which Pharrell also served as a composer and producer.

"Happy" is an infectious and upbeat pop and soul track with a cheerful and optimistic vibe. The song's catchy melody, hand-clapping rhythms, and Pharrell's soulful vocals make it a joyful and uplifting anthem.

Lyrically, "Happy" celebrates the feeling of happiness and encourages listeners to embrace positivity and enjoy life's simple pleasures.

The song was written and produced by Pharrell Williams, who has a long and successful career as a musician, songwriter, and producer.

Upon its release, "Happy" became a massive commercial success and a cultural phenomenon. It topped the charts in numerous countries and became one of the best-selling singles of all time. It also received critical acclaim and earned Pharrell several award nominations, including an Academy Award nomination for Best Original Song.

The music video for "Happy" became particularly notable for its unique concept. It features Pharrell and various other people dancing and lip-syncing to the song in different locations throughout the day. The video's uplifting spirit and feel-good atmosphere became widely popular, and fans around the world created their own versions of the "Happy" dance, spawning a global trend.

"Happy" had a significant impact on popular culture, and its success transcended music charts. The song's positive message and catchy melody made it a favorite in radio playlists, commercials, and various events.

Pharrell's "Happy" is considered one of the defining songs of the 2010s, and its enduring popularity has solidified it as an iconic feel-good anthem that continues to bring smiles to people's faces.