They're together like two peas in a pop pod!
Demi Lovato has been showin' 10-year-old Madison De La Garza a lot of love lately! Such a great big sis!
Wednesday night, she even brought Maddy on stage to sing with her at The Greek!
Originally sung by Jason Derulo, Demi and Madz made Together their own. And you can see why too! Just presSsSs that PLAY button (above)!