Jon Kopaloff/FilmMagic; Charley Gallay; Toby Canham/Getty Images; Reuters
Families, friends and loved ones, along with countless people across the nation, are in mourning after a gunman opened fire at Sandy Hook Elementary School in Newtown, Conn., Friday morning, killing at least 26 people including 20 children.
The gunman, whom authorities have identifed a Adam Lanza, has been reported dead in what is now the second-deadliest school shooting in U.S. history, following the 2007 massacre at Virginia Tech, which killed 32 people.
Celebrities immediately took to Twitter to express their shock and outrage at the horror that unfolded, and to send their condolences to the families involved.
Kim Kardashian "In total shock over the school shooting in Ct!...What has this world come to…These kids come to school to learn, never expecting this tragedy to happen. They didn't deserve this. Praying for everyone involved!"
Lindsay Lohan "This is absolutely horrifying. Our thoughts and prayers go out to the families in Newton, CT. So unbelievably sad."
Ashton Kutcher "Overwhelming feelings of sadness for something so senseless. My heart goes out to those in Connecticut."
Jessica Alba "This is just awful. My heart goes out 2 all affected... So sad."
Zooey Deschanel "I am filled with sadness in the wake of the sandy hook school tragedy. My thoughts and prayers are with all in Newtown, Connecticut."
Blake Shelton "Stand strong and stand united everyone... We are Americans and we are better than this. What a sad sad disgusting day this is...My heart is so heavy right now... I can't shake it off."
Demi Lovato "Just in shock. WHAT is wrong with this world sometimes? Right before Christmas? My thoughts and prayers go out to Newton, CT."