@taylorswift13: "I'm heartsick about the senseless tragedy in CT and praying for the families of the children and teachers who lost their lives. Unthinkable."

@TheTimMcGraw: "The news of this morning's shooting was simply devastating. As parents, Faith and I cannot even imagine the horror that all of these families face. Our deepest thoughts and prayers are with all that have been affected by this tragedy."

@LukeBryanOnline: "My family is sending the deepest prayers out to those victims in Connecticut today. Heavy hearts and tears."

@KeithUrban: "My heart goes out to all those affected by the tragedy in Connecticut. Thoughts and prayers with everyone."

@BlakesShelton: "Stand strong and stand united everyone ... We are Americans and we are better than this. What a sad, sad disgusting day this is."

@Miranda_Lambert: "I'm praying for those babies and all the victims of the Connecticut shooting. May God bring peace to the families."

@bradpaisley: "I spent 15 minutes yelling at the top of my lungs about what happened in Connecticut. I'm as mad as I am sad. Enough. Enough!"

@carrieunderwood: "All my thoughts, prayers and deepest sympathies go out to the families in CT dealing with this tragedy. There are no words."