Houston Rockets point guard James Harden appeared with Houston Mayor Sylvester Turner Monday to announce he is donating $1 million to Harvey relief efforts.
Solange Knowles announced on Saturday that all proceeds from her upcoming show in Boston on Sept. 28 will go to Harvey relief efforts.
Michael Dell, CEO of Dell Technologies, announced Friday that his foundation is pledging $36 million for Harvey relief efforts. The donation by the Houston native is the largest contribution so far.
According to a statement from the Michael & Susan Dell Foundation, the street in Houston where the tech billionaire grew up is under water. Dell Technologies is based in Round Rock, near Austin.
"This is going to be a major effort to rebuild Texas," Michael Dell said on "Good Morning America."
Beyonce posted a photo showing her love and support.
Singer Kelly Rowland wrote on Instagram, "Houston has, and always will be the city that changed my LIFE! Everyone please send out prayers for H-Town!"
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The Houston Rockets announced that owner Leslie Alexander would be donating $4 million to relief efforts.
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Texans star JJ Watt spoke about how hard it was to be on the road away from his city during the devastation and asked fans to donate to relief efforts. His team also announced a big donation.
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"Whatever you can donate, please donate to help these people out," he said. "Houston's a great city. We're going to come out of this stronger than ever."
RELATED: Houston Texans react to Harvey, pledge funds
Country music singer Chris Young donated $100,000 to the city where he has a home.
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Former President George W. Bush and his wife Laura also announced that they are donating to relief efforts.
St. Louis Cardinals player and longtime Houstonian Matt Carpenter pledged to donate.
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Here are more celebrity reactions from well-known Houstonians.
Lakewood Church Pastor Joel Osteen released the following statement after social media backlash:
"We have never closed our doors. We will continue to be a distribution center for those in need. We are prepared to house people once shelters reach capacity. Lakewood will be a value to the community in the aftermath of this storm in helping our fellow citizens rebuild their lives."