"All I Want for Christmas Is You" is a popular Christmas song written and performed by Mariah Carey. The song was released in 1994 as part of her Christmas album titled "Merry Christmas." Since its release, it has become a beloved holiday classic, and one of the most popular Christmas songs of all time.

The song is an upbeat and cheerful tune that celebrates the joy and love of the holiday season. The lyrics express a simple and sweet sentiment, with the singer proclaiming that all she wants for Christmas is to be with her loved one, and to share in the happiness of the season.

The song's catchy melody and festive instrumentation, which includes jingling bells, upbeat drums, and a soaring chorus, make it an instantly recognizable and beloved Christmas classic. Its popularity has led to numerous covers and remixes, as well as its use in movies, TV shows, and commercials during the holiday season.

Mariah Carey's "All I Want for Christmas Is You" has become a staple of the holiday season, and continues to bring joy and happiness to people all over the world.