Natalie Cole: I am so devastated for the families of these little angels that have been taken, and the families of the other victims....

Hilary Duff: Oh my. I am shocked. Heartbroken. Devastating news about this elementary school shooting. What is wrong w/ people? Praying hard 4 these family's

Henry Winkler: Newtown CT. Today you are our town... We embrace you all

Mandy Moore: Absolutely devastating news this morning. There are no words. Thoughts, prayers and love to all in #Newtown.

Debbie Gibson: Certain types of guns that need to be banned, like assault weapons.

Bette Midler: Another tragic day for America. My heart is broken for everyone left behind.

Mia Farrow: #PrayForNewtown. Gun control is no longer debatable. it's not a 'conversation' - It's a moral mandate.

Danny DeVito: No Gun Control! Just people slaughtered! Second amendment my ass!

Maria Shriver: My heart is breaking as this story unfolds. Let's start a #circleofprayer for the children and their families. Just yesterday, I wrote about the joy of becoming a mother. Right now so many mothers and fathers are in indescribable pain. Please say a prayer for the victims of the shooting at Sandy Hook Elementary School in Newtown...

Russell Simmons: prayers for the children, families and faculty of Sandy Hook Elementary School and the people of Newtown. my heart is broken.

Courteney Cox: Praying for Sandy Hook

Larry Fitzgerald: Just finished practice, read the news and am going to get my son from school early. Hold your kids a little tighter my friends!!

Steve Carell: Pray for Sandy Hook, Newtown CT.

Bethenny Frankel: Oh my goodness. There has been a shooting at a school. I had no idea. This is so tragic. Poor babies!

Piers Morgan: I can't bear this. It's just beyond comprehension that anyone would do this in an elementary school. Those poor children. Don't just mourn these poor dead children America - get angry and do something to stop these senseless shootings happening.

Hilaria Baldwin: These shootings need to stop. What do we do? I cannot help but think back to where I was when people committed these heinous acts. Why do they have to be so cruel, sick, and heartless? Guns bring nothing but pain and heartbreak. Violent video games foster rage and troubled imaginations. Why are we so enamored with violence? My thoughts and prayers are with you all in Sandy Hook. Whether you are a victim of violence, trauma or loss, I am sending my love & support

Vinny Guadagnino: Praying for the Victims in the Connecticut school shooting. This is happening too much. 18 children dead

Randy Jackson: Thoughts and prayers go out to those in Connecticut

Chris Cuomo: #Newtown kids as young as grade K may have been involved. Kids told to close eyes while running out. Pray for the families. #Newton story not abt the #'s. The magnitude is so great because so many kids involved. Killing kids is the worst result of violence.

Sophia Bush: My heart aches for Connecticut ....

Chad Johnson: Just seeing my news feed on the Connecticut shooting, what is going on, prayers to the families and students involved.

Kevin Spacey: Just heard about the shooting in Connecticut. My thoughts go out to all who are dealing with this sad news.

Adrienne Maloof: Terrible terrible news about the shooting in Connecticut. Sending thoughts and prayers to everyone involved....

Kristin Cavallari: The fact that there was a shooting at an ELEMENTARY school makes me sick. My thoughts go out to all the families

Martina Navratilova: There is no proper time to talk gun control except now!

Holly Robinson Peete: I'm following #SandyHookElementary shooting reports like it's MY child's school #parentsworstnightmare…

Lisa Rinna: Horrible news I just heard about the shooting in CT at an elementary school how can we stop this violence?!

Michael Urie: GUN CONTROL LEGISLATION NOW. #enough

Teresa Giudice: On days like this, we should hug our children just a little bit tighter.

Marlee Matlin: #PrayForNewtown Pray for the children teachers and families. Pray for some sense out of this madness. I am numb as the numbers of the dead - children and adults - keep ticking up. #PrayForNewtown

Christina Applegate: There are just no words. Only sorrow. We are all shedding tears today for those families.

Karina Smirnoff: We need to pray for all the families affected by the Newtown, CT school shooting. Absolutely devastating....

Hoda Kotb: #prayfornewtown

Brandi Glanville: I can not believe this school shooting, what is wrong with people!!!! My heart is breaking for the kids and families.

Ashley Hebert: My heart is broken for these children/families in Newton. This is unimaginable.

Caroline Manzo: school shooting in Connecticut is heartbreaking - poor little babies - may God be with them all

Kristin Chenoweth: Well im hearing about this shooting in CT. Praying. Sending prayers.

Melissa Joan Hart: How could someone be so evil as to kill innocent children at school? God Bless and watch over those families and children that witnessed it!

Khloé Kardashian Odom: To harm children who are defenseless is truly disgusting. I'm in disbelief. #PrayforNewtown my heart truly goes out to EVERYONE affected