We are all human. This senseless act of violence is unnecessary. So many things really need to… https://t.co/Dxu0peeaDq

— Serena Williams (@serenawilliams) June 13, 2016

Heartbroken for the devastating loss of life in Orlando. When will we change our guns laws! Praying for the victims and families.??

— Billie Jean King (@BillieJeanKing) June 12, 2016

Waking up to news of last night's act of hatred & violence. Beyond angry and heartbroken. So many beautiful souls lost. #PrayForOrlando

— Nicole Gibbs (@Gibbsyyyy) June 12, 2016

Honestly feeling defeated. When will this stop? When will steps be taken to prevent events like this in the future? #PrayingForOrlando

— Nicole Gibbs (@Gibbsyyyy) June 12, 2016

❤️???? #stoptheviolence

— Madison Keys (@Madison_Keys) June 12, 2016

More Love. Less Hate. #PrayForOrlando pic.twitter.com/t2QPGXfjBg

— Ana Ivanovic (@AnaIvanovic) June 12, 2016

Florida is my home. Been to Orlando countless times. Sending you my love ?

— Genie Bouchard (@geniebouchard) June 12, 2016

just devastated. thoughts are always with the victims' families & friends. ? #Orlando

— Jamie Hampton (@Jamie_Hampton) June 12, 2016

Latest count is at least 50 people dead- this just keeps getting worse…my heart goes to all affected in Orlando and all our LGBT souls…

— Martina Navratilova (@Martina) June 12, 2016

Devastating news in Orlando…thoughts going out to the victims and their families. Extremism in any form is not healthy…

— Vania King (@queen_v21) June 12, 2016

#PrayForOrlando

— Christina McHale (@ChristinaMcHale) June 12, 2016

All the people donating blood in Orlando #hopeforhummanity

— Jessie Pegula (@JLPegula) June 13, 2016

My old home town of Orlando my heart is breaking 4 U #LGBT @LGBTfdn community ….#hatecrime #terror #banassaultweapons #PulseNightclub

— rennae stubbs (@rennaestubbs) June 12, 2016

How sad, how unfair, how disgusting…. ? #Orlando https://t.co/uYUt59D7Eh

— Alize Cornet (@alizecornet) June 13, 2016

My heart and thoughts with the families of the victims of the horrible attack in Orlando ❤️? #StopTerrorism

— Alizé Lim (@AlizeLim) June 12, 2016

#PrayForOrlando pic.twitter.com/ewSsRw8W4D

— Carla Suarez Navarro (@CarlaSuarezNava) June 13, 2016

#PrayForOrlando #PrayForPeace #PrayForTheWorld @citybeautiful pic.twitter.com/X76yTyrSpm

— Marion bartoli (@bartoli_marion) June 13, 2016

Absolutely devastated by the tragedy in Orlando.
Take time to hug your loved ones today and every day. #prayfororlando #stoptheviolence

— Irina Falconi (@IrinaFalconi) June 12, 2016