"Be Happy" is the hit lead single by American R&B recording artist Mary J. Blige from her critically acclaimed second studio album, My Life (1994). Co-written and performed by the artist, the song was also written with Sean Combs, Arlene DelValle and J.C. Olivier. The song contains a sample loop of "You're So Good To Me" by musician Curtis Mayfield and a portion of "I Want You" by Marvin Gaye. The song reached number 29 on the US Billboard Hot 100, becoming Blige's third single to reach the top forty of that chart, while reaching number six on the R&B singles chart, becoming her fifth top-ten single on that particular chart. The music video is well known as it was directed from September 16–17, 1994 by Diddy and Hype Williams, shows Mary singing in a white background amidst other things, including stand abroad of a mountain creek. The single was also successful in the United Kingdom, reaching a peak of number 30 on the UK Singles Chart.