Moonbaby is the debut studio album by American singer and songwriter Siobhan Magnus. The album was released on January 1, 2012.
After the end of the American Idols LIVE! Tour 2010, Magnus returned to her alternative rock band Lunar Valve, and recorded a three-track EP which was released in February 2011.
The album was originally announced for release on October 31, 2011, but was postponed after interest from a major label. The album was eventually released on Snotface Records, after being recorded with Pacific International Music, and was produced by Michael Flanders, who also co-wrote five of the album's songs.
1,000 pre-release signed copies were made available through her official website in December 2011. Six song teasers were released on December 5, 2011, to SoundCloud.
The art and packaging were designed by Magnus and Tony Raine. The art on the CD is of the lunar phase.