Adam Lambert, Cher, Ricky Martin, Laverne Cox and Nick Jonas were among the celebrities messaging support for the victims of Sunday's attack on a gay nightclub in Orlando.

Forty-nine people died and dozens were injured when Omar Mateen, 29, opened fire in the Pulse nightclub.

“Shocked & heartbroken,” Caitlyn Jenner tweeted. “Sending all my thoughts and prayers to my brothers & sisters in Orlando. Be safe the rest of this weekend friends.”

Laverne Cox, who appears on Netflix's Orange is the New Black, messaged: “Deeply moved that in the face of tragedy Orlando & Americans everywhere are coming together to give blood, love & support. This is who we are.”

“I am gay and I am not afraid,” singer Ricky Martin said. “Love conquers all.”

Actor Neil Patrick Harris, who is raising two children with his husband, tweeted: “The tragedy in Orlando is just beyond sad. My deepest regrets to all those suffering. There are no words that suffice. I'm...stunned.”

“Sobbing,” Ellen DeGeneres added.

“My heart goes out to the victims and their families,” out actress Ellen Page messaged her followers. “Our community has suffered a tremendous loss. We must stand together more than ever.”

Cher's message included crying emoticons. “NO WORDS GOOD ENOGH11 WHEN UR HURT, WOUNDED, MURDERED WE ALL CRY!! WE ALL MOURN!! WE R ALL LESS WITHOUT U MY EXTENDED FAMILY!!,” she wrote.

Actor George Takei said that he was “devastated.” “Whatever the madness behind this, let us all come together first to support victims & their loved ones.”

“My thoughts and prayers are w my brothers and sisters who were at Orlando's Pulse Nightclub. RIP to those who lost their lives,” singer Adam Lambert tweeted.

Boy George said that he was “heartbroken” and prayed “for this world to change!”

“I'm hurt. I'm angry,” out comedian Wanda Sykes tweeted.

“Hate is a poison,” Aisha Tyler wrote. “It destroys everything it touches & undermines our most precious American value: freedom.”

Singer-actor Nick Jonas messaged: “My heart is broken this morning. So much hate in this world. So many beautiful innocent lives taken last night in Orlando.”