How many CDs has ally and aj made?

can someone please help me and tell me how many cds ally and aj made?

which is their most popular

and recent one?

Albums
2005: Into the Rush
2006: Acoustic Hearts of Winter
2007: Insomniatic

CD singles
2005: "Do You Believe In Magic"
2006: "Rush" (appeared in the Bratz: Rock Angelz Video Game)
2006: "Chemicals React"
2007: "Potential Breakup Song"

3.
Acoustic Hearts of Winter, Into the Rush, and Insomniatic.

3 including christmas cds i think