My heart is breaking for everyone in Vegas tonight. Simply devastating. So much loss.
— Kelly Clarkson (@kelly_clarkson) October 2, 2017
Horrified to hear about the shooting in #LasVegas. My thoughts are with the victims and their families. Praying for everyone's safety 🙏💔
— Mariah Carey (@MariahCarey) October 2, 2017