Whitney Houston’s death Saturday at the age of 48 inspired an outpouring of shock and grief on Twitter.

Music moguls such as Russell Simmons, singers including Rihanna and Mariah Carey were among the biggest names in entertainment who offered their sympathy and reflected on Houston’s musical legacy.

No words! Just tears #DearWhitney, tweeted Rihanna.

Actress Mia Farrow shared a video of one of the singer’s performances, “Entertainment Tonight” journalist Nancy O’Dell remembered interviewing the star, and even comedians like Ricky Gervais and Joan Rivers had nothing funny to say, offering only her sincere regrets about a massive talent gone far too soon.

Here’s are some of the singers, politicians, actors and entertainers who took to Twitter to express their grief.

Mariah Carey

She will never be forgotten as one of the greatest voices to ever grace the earth.

Rihanna

No words! Just tears #DearWhitney

Katy Perry

So devastating. We will always love you Whitney, R.I.P.

Sean Combs ( P Diddy)

Whitney Houston!!! OMG!! I really can't believe this.. This is one of the saddest days ever..

Jennifer Lopez

Such a loss. One of the greatest voices of our time. Sending out prayers to her family... #R.I.P. Whitney

Tony Bennett

It's a tragedy. Whitney Houston was the greatest singer I've ever heard and she will be truly missed.

Toni Braxton

She's paved the way for every single singer in the music industry. Iconic, legendary, innovating, amazing, humble...1 the best in the world

Randy Jackson

wow I am devastated. the world has lost another one of the best voices in history. RIP whitney houston, so fortunate a…say.ly/rDR1pph

LA Reid

I am completely devastated by the loss of the greatest voice of all time! R.I.P. Whitney Houston. I will always love you!

Jane Fonda

Stunned by #Whitney's death. So sad. Going to Clive's pre-Grammy party. She was his darling. Whew

Joan Rivers

Whitney Houston. What a sad tragedy-the end of the life of an incredible talent. RIP to an amazing singer and legend.

Russell Simmons

R.I.P. Whitney Houston, really can't believe this bit.ly/yNudvn

Shaquille O'Neal

R .i.p to a Newark legend Whitney houston. I'm gonna miss auntie ,this one hurts. We lost a legend dam dam dam. Thank you for everything

Mia Farrow

Whitney Houston singing the greatest rendition of the National Anthem ever youtu.be/wupsPg5H6aE #rip (via @taralconley)

Ricky Gervais

RIP Whitney Houston An amazing talent & a tragic soul. So sad.

Kathy Griffin

She was A TALENT & A LEGEND. She was never a reality star No jokes from me about Miss Houston today.

Sharon Osbourne

Clive Davis Grammy party..not going. Mark Burnett party..not going. Can't celebrate tonight when one of the greatest voices ever is dead.

Ryan Seacrest

At Grammys rehearsal hearing Whitney Houston has passed away at 48. Everyone here is absolutely stunned.

Nancy O'Dell

Have interviewed so many musicians...Whitney Houston simply one of the most talented who ever lived. R.I.P. Whitney

Miranda Cosgrove

I'm so sad. I just heard the news. Whitney Houston's music is incredible and shes an inspiration. My heart goes out to her family.

Donna Brazile

Deepest condolences to #Whitney Houston's entire family, including her young daughter. Weeping may endure for a night.. Peace out. I'm sad

Antonio Villaraigosa

We....will always love you, Whitney Houston.

Neil Patrick Harris

Such sad news about Whitney Houston. She was a legend, but what a life..! My thoughts and prayers go out to her family.

Adam Lambert

RIP Whitney

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