"Oh Santa!" is a song by American singer and songwriter Mariah Carey from her second Christmas album/thirteenth studio album, Merry Christmas II You (2010). Carey wrote and produced the song in collaboration with Jermaine Dupri and Bryan-Michael Cox. It was released as the lead single from the album. It is an up-tempo R&B song about Carey making a plea for Santa Claus to bring back her partner in time for the Christmas holidays. Instrumentation of sleigh bells, jingle bells and hand claps. It received a positive response from music critics, with many praising its composition and style. The track set a record on the United States Billboard Adult Contemporary songs chart, debuting at number twelve and peaking at number one the following week for four weeks. It became the first song to reach