Celebrities were outraged over the tragic elementary school shooting in Newtown, Conn. on Friday, and many immediately turned to Twitter, to share their sadness.
And some even urged America's leaders to address gun control.
"Gun control is our only road to freedom. Freedom from the fear of senselessly losing children. I'm so saddened. WE NEED LAWS NOW," "Parks and Recreation" actress Rashida Jones Tweeted.
Singer Michelle Branch also touched on the topic in her Tweet, writing, "Gun control people!!! My heart is breaking. As a parent this is my worst nightmare."
"Two and a Half Men's" Holland Taylor wrote, "Just heard re CT shooting coming in from a walk... MY GOD. The "right" to carry concealed weapons ... this has become a truly INSANE issue."
Michael Raymond-James, who plays Neal Cassady on "Once Upon A Time," also tackled gun control in his Tweet, writing, "Unfortunately, we have more access to assault weapons than we do to quality mental health care. That needs to change. #HowManyMoreTimes."
Brit Piers Morgan wrote, "Why does any civilian in America need a weapon that can fire 100 rounds of ammunition at rapid speed? Give me ONE good reason?" and added, "#GunControl."
Filmmaker Michael Moore Tweeted, "The way to honor these dead children is to demand strict gun control, free mental health care, and an end to violence as public policy."
"General Hospital" actress Lisa LoCicero also Tweeted about gun control, in the wake of the tragedy, writing, "anyone still not ready for us to err on the side of losing some gun rights at this point, needs to leave the country."
"Raising Hope" star Martha Plimpton Tweeted, "When can we talk about it? WHEN? Ever? Never? If not now, when we are staring it in the face, then WHEN? #GunControl."
Motley Crue singer Vince Neil wrote, "Sad day today. Prayers to all the families. Gun Control!!!"
"True Blood" star Denis O'Hare Tweeted, "When do we get to seriously talk about gun control?"
"Malibu Country" actor Jai Rodriguez also Tweeted about gun control, writing, "Sick over what happened in the world this week. We need better gun laws. My heart goes out to all those affected by the horrors."
Eric Benet Tweeted, "Half of the U.S. will say,"How dare u bring up gun control at a time like this?!" But the sane half will say,"How dare we not!?" pls RT"
Susan Sarandon wrote, "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."
Jaime King wrote, "We do not have time to wait to tighten gun control- we cannot loose anymore innocent lives. I beg the government to stop F-ing around."
Jason Biggs Tweeted, "Hey-I love guns. I've shot, killed, n eaten my own food-n grown cuz of the experience. But clearly, restrictions need to be put into place."
Hill Harper Tweeted, "Can we please re-institute the assault weapons ban & a ban on selling high load gun clips."
Ginnifer Goodwin wrote, "I just emailed my representative & it was super easy. http://m.house.gov/ #guncontrol."
"General Hospital" star Finola Hughes Tweeted, "I believe that 'other day' for debating gun laws is now."
Mehcad Brook, from the USA series "Necessary Roughness" Tweeted, "Why do we go through more scrutiny getting a driver's license bcuz cars CAN kill than we do obtaining a gun which ONLY kills?"
Other stars shared their deep sadness over the senseless deaths in Connecticut.
"God have mercy!!!! No one deserves this! Praying for the families of the victims of the Connecticut shooting!! What a Christmas it will be," Rihanna wrote.
"Everyone reading this PLEASE get on your knees and PRAY for the sweet babies, families, and for everyone hurting in Connecticut right now," Lady Antebellum singer Hillary Scott Tweeted.
"There have been 31 school shootings since Columbine, 14yrs ago. This time, kindergarteners. #NoWords," Anika Noni Rose wrote.
Jennifer Hudson Tweeted, "Yal, we need to pray! This can't keep happening . My mama always said " if u think you've seen it all just keep on living.'"
Oprah Winfrey responded to Jennifer's Tweet, writing, "@IAMJHUD for sure . Pray and take action.. Another WAKE UP for guns."
Here's more of what the stars had to say on Twitter:
Katie Couric: Shocked & saddened to hear this morning's news... My heart goes out to the families of #SandyHook Elementary children, faculty, staff
Joy Behar: My thoughts and prayers are with the families of Sandy Hook Elementary.
Maksim Chmerkovskiy: I hate the "my heart is with" this and "my prayers go out" that... We ALL need to get f***ing angry and DO something more than 'feel sad'...
Vivica A. Fox: Wow! It seems like we r gonna have to put metal detectors everywhere and armed guards! Seems like u can't b safe anywhere!! WTH?? :-(
Jack Wagner: OMG prayers 4 those affected by the shooting in Connecticut...so sad
Ian Somerhalder: We are sad.Our hearts,thoughts&help are w/you.Im so sorry to all affected by this.So sorry.May all thelove in the world hug you in this time
Ralph Macchio: There are no words... Prayers #Connecticut
Rachel Dratch: Our weekly mass shootings aren't happening in other countries. And this time, children? WHEN WILL OUR "LEADERS" PUT AN END TO THIS INSANITY?
Teresa Giudice: On days like this, we should hug our children just a little bit tighter.
Steve Levitan: My thoughts and deepest sympathies are with the victims. I should have said that first, but I'm tired of these tragedies. #standuptothenra
Marlee Matlin: 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....
Kim Kardashian: These kids come to school to learn, never expecting this tragedy to happen. They didn't deserve this. Praying for everyone involved!
Brandi Glanville: I can not believe this school shooting, what is wrong with people!!!! My heart is breakking for the kids and families.
Jackie Collins: My heart breaks for the Newtown community...for these families.
Damon Lindelof: I'm not "politicizing" squat. I'm heartbroken, angry, confused and scared and I DO NOT UNDERSTAND WHY THIS KEEPS HAPPENING.
DJ Pauly D: My Prayers Go Out To Everyone Affected By This Horrible Shooting In Connecticut
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