Listen to I Saw Mommy Kissing Santa Claus online. I Saw Mommy Kissing Santa Claus is an English language song and is sung by The Lennon Sisters. I Saw Mommy Kissing Santa Claus, from the album Merry Christmas Collection, was released in the year 2013. The duration of the song is 2:07. Download English songs online from JioSaavn.