Demi Lovato sent a tweet to Selena Gomez when they were on Barney.

Demi Lovato sent a tweet to Selena with a video of them in an episode of Barney, they're dancing in the video and was added by the user on youtube the song "Walk it out ". Check out the tweet below:

Demi Lovato: HAHAHAHAHA OH MY GOD… @selenagomez watch this!!!! http://say.ly/qovk42                                                                         Selena Gomez:  Hahaha Wow.. Lot different than when we shot it              

This pic, was taken this year :) #WESUPPORTDELENA