My heart is broken on one hand and outraged on the other for the families in Newtown, Connecticut who lost everything when at least one gunman opened fire today at Sandy Hook Elementary School.

The horrific and senseless tragedy has reportedly taken the lives of at least 20 young children and is now the second deadliest shooting massacre in US history.

Celebrities all over the country are horrified and shaken about this news as are the rest of us. Here is what they have sent via Twitter, many of whom are begging and urging for tougher gun control laws:

President Barack Obama: Click here for a full transcript of President Obama’s address

Britney Spears: My heart is with the children and families of Connecticut today…#PrayForNewton

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

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.

Oprah Winfrey: Dear Lord…help us to understand as we Stand with these families. Heal our broken hearts. Pray for Newtown.

Courteney Cox: Praying for Sandy Hook

Dane Cook: Spirits, lives & our system – all broken. Today must be remembered not by these atrocities but by how we demanded change.

Rob Thomas: Just got back home to ny and couldn’t believe the horrible sad news out of newtown. all those poor families. my heart goes out to them.

Ali Fedotowsky: The shooting at Sandy Hook elementary is so heartbreaking. Children? It just doesn’t make any sense. My heart goes out to the families.

Steve Carell: Pray for Sandy Hook, Newtown CT.

Jesse Tyler Ferguson: I’m sick to my stomach about the tragedy at Sandy Hook Elementary. All my thoughts are with the community of 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!

Maksim Chmerkovskiy: University, high school, movie theater, and now ELEMENTARY school?!? What’s next Kindergarten? WTF is wrong with people?!? I hate the “my heart is with” this and “my prayers go out” that… We ALL need to get fucking angry and DO something more than ‘feel sad’….to unload a weapon on small children!!!!

Blake Sheloton: Stand strong and stand united everyone… We are Americans and we are better than this. What a sad sad disgusting day this is…

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 and support

Nicole Poizzi (Snooki): My prayers go out to everyone in CT who were affected by this horrible shooting..I couldn’t imagine and my heart goes out to all of you ❤❤

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 ….

Ashton Kutcher: Overwhelming feelings of sadness for something so senseless. My heart goes out to those in Connecticut.

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

Kyle Richards: Omg. Just hearing about the school shooting. In shock. So incredibly sad.

Adam Lambert: Sending energy to the families who are suffering this horrible tragedy…

Gilles Marini: Enough f***ing violence. Enough. How could a man killed anyone? Even more a child. I’m crushed! #Connecticut elementary school

Jenna Ushkowitz: My heart goes out to all the Families and children affected by the CT shooting. When will the violence end?

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?!

Sherri Shepherd: ABC is reporting the shooter was 24 armed w 4 weapons wearing a bullet proof vest.this makes no sense. @ an elementary school? #Sandyhook

Michael Urie: GUN CONTROL LEGISLATION NOW. #enough

Albie Manzo: Absolutely heartbreaking story coming out of CT, I will never understand how someone could do such a horrible thing.

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

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

DJ Pauly D: My Prayers Go Out To Everyone Affected By This Horrible Shooting In Connecticut

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

Kirstie Alley: No comprehension of such insanity, violence and evil…We have to unite as a country and BAN assault weapons …. NO private party needs a semi automatic … This has to stop !!

Brandi Glanville: I can not believe this school shooting, what is wrong with people!!!! My heart is breakking 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

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

Julie Benz: Please pray for the families and victims of the horrible tragedy in CT.

Derek Hough : My heart goes out to the families in Connecticut . A horrific tragedy . An unspeakable evil to such innocent human beings .

Lisa Gastineau: How could ANYONE harm KINDERGARTEN CHILDREN!! Beyond insane-saddest thing I’ve ever heard #pain #prayers

Alyssa Milano: What the f*** is wrong with people?

Melissa Ordway: Sending lots of prayers to all the families and victims of this terrible shooting. Absolutely terrible and heartbreaking.

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

Lisa Ling: Why are we still not seriously talking about gun control? Bless the families of those lost in Conn. My God.

Miley Cyrus: Why does this happen? Why do bad things happen to such good people… Especially young ones. Sending blessings to CT….Don’t know how much more I can take.

Josh Duhamel: My heart hurts for the victims & their families of the CT school shooting. This needs to stop. Schools must be safe again.

will.i.am: Where is the love [?] I can’t believe this type of evil can happen…why would anyone kill children???…#protectchildrennotguns

Tom Bergeron: Watching coverage of the CT shootings. Crestfallen. My thoughts are with the families of Newtown.

Kim Kardashian: In total shock over the school shooting in Ct! 18 children shot dead & 9 adults by a father of one of the kids! What has this world come to

Michael Moore: Only minutes away from pundits & politicians say, “This isn’t the time to talk about gun control.” Really? When is that moment?

Emblem3: Things in this world are so f***ed… I can’t stand the negative things in this world. Please spread positivity all around!

Sherri Shepherd:  “their children’s innocence has been torn away from them too early” President Obama can’t keep his tears from falling

Dr. Mehmet Oz: My heart goes out to the families who suffered the unspeakable. Now more than ever, we as a country are with the people of Newtown, CT.

Phillip Phillips: My prayers and thoughts go out to the families who lost their loved ones today. Such a heart breaking event. Need more love and peace

Mario Lopez: My prayers go out to all the families in in Newtown, Connecticut… God Bless you in this tragic time…I am at a complete lost for words..As a parent, I can’t begin to imagine what the families are feeling. Children slain?! Please keep praying

Courtney Lopez: Devastated. Why is this happening? Poor defenseless children. My heart is broken for all victims. #PrayForNewtown

Bret Michaels: No forgiveness for acts like todays shooting. Our thoughts and prayers go out to all of these children, their families and all of those affected by this senseless act.
This kind of s**t needs to end.

Bruno Mars: Sickened by this horrible news in Connecticut. My prayers are with those families.

Susan Sarandon: How much more suffering & loss will it take before we better regulate the sale of arms in our country? Let @NRA know how you feel.

Michelle Branch: Gun control people!!! My heart is breaking. As a parent this is my worst nightmare.

Jim Carey: The guns in our homes kill more innocent ppl than criminals, by far.In conn. massacre the guns belonged to his mom,who is also dead now. ;^\

Kourtney Kardashian: If this tragedy doesn’t change something in this country regarding guns…I just want to scream and cry. Deeply saddened. Praying.

Sarah Silverman: Band-Aids-on-Band-Aids @NRA people want MORE access to guns to combat all the people w access to guns.

John Stamos: Soulless coward pulls trigger, children die, officials express regret and then what -we wait for the next shooting? how do we stop this?

Dax Shepard: I love guns. I have several, but I would gladly get rid of them if it would help prevent anything like this from happening again.

Missi Pyle: We should NOT STOP SCREAMING about this until we have better laws on GUN CONTROL. We have power. Lets DO SOMETHING ABOUT THIS!

Maria Menounos: Just interviewed some kids and a mom all affected by this school shooting in ct…my colleagues and i can’t stop crying. Terrible

Nikki Sixx: MORE shooting’s killing innocent people? WE NEED STRICTER GUN LAWS NOW.My prayers go out to all the families.

Martha Stewart: stricter gun control- why have we not adopted new rules and laws??? what is wrong with us????

If you are tired of this happening in our country, take a moment and write your state representative what the right course of action for our society is: http://www.house.gov/