Celebrities led by Sandra Bullock on Wednesday poured millions of dollars into relief efforts after monster storm Harvey ravaged Houston.
Bullock, who maintains homes in nearby Austin and New Orleans, donated $1 million through the American Red Cross, the organization said.
"I'm just grateful I can do it," Bullock, the star of Hollywood hits such as "Gravity" and "The Blind Side," said in a statement.
Socialite Khloe Kardashian said that her celebrity clan was donating $500,000 to the Red Cross and the Salvation Army.
She was responding to a challenge set by the comedian Kevin Hart, who on Tuesday said he was donating $25,000 and named celebrities whom he urged to follow suit.
In response, pop star Jennifer Lopez and her boyfriend, baseball legend Alex Rodriguez, in a joint Instagram post said that they were each donating $25,000.
"Seeing these pictures of children and all the footage, it's just devastating, and we just want to do our part to help," Lopez said.
Rapper Nicki Minaj, hip-producer DJ Khaled and actor and wrestler The Rock were among other celebrities to respond to Hart's challenge and donate $25,000.
The Rock urged Houston to stay strong and thanked Hart but, in perhaps an indirect criticism of the comedian's name-shaming, said he was "not going to call out my celebrity friends -- you guys already know what to do" and urged small donors to come forward with "a buck or two."
Chris Brown, the R&B singer infamous for his legal troubles, told Hart he was donating $100,000 but without explanation said his money "will go to the people" as he was skeptical of the Red Cross.
The country singer Chris Young also said he was donating $100,000 and urged fans to join him.
One of the most successful fund-raising efforts came from football player J.J. Watt, a local transplant who plays for the Houston Texans.
After his online appeal quickly met his goal of raising $500,000 in donations, he repeatedly upped the challenge. By Wednesday he had raised $6 million and was seeking $10 million.
Beyonce, one of the top stars to emerge from Houston, and hip-hop mega-star Drake, who has a home in Houston, have both said they are working on generous relief plans but have not yet revealed the details.
It's that time of year again - Forbes has released its list of the top 100 highest-paid entertainers and Sean "Diddy" Combs is top of the tree.
His earnings of $130m (£102m) pushed him up from last year's 22nd spot.
His success is down to his recent US tour, a marketing deal with a vodka company and selling one third of his Sean John clothing line.
Beyonce and JK Rowling took second and third spot, but women comprise just 16% of the world's top-earning celebrities.
Newcomers include Kylie Jenner, at number 59, who is the youngest list member at the age of 19. Her earnings come from her family's reality TV show - Keeping Up with the Kardashians - her namesake cosmetics company and clothing line, plus various endorsements.
Half of the top 10 are made up of musicians, while two athletes - Real Madrid's Cristiano Ronaldo and basketball star LeBron James - also make the cut.
Here's a look at the top 10:
Grammy award-winning rapper Combs used to be best known for best-selling albums such as No Way Out and Forever. But the entrepreneur's business interests have catapulted him into the big time, and he's jumped from number 22 in last year's list to nab this year's top spot.
Queen Bey needs no introduction but she's made a big leap up the chart, from number 34 last year. That's largely due to profits from her Formation tour and her most recent album, the critically-acclaimed Lemonade. Her husband, Jay-Z, could only make number 55.
JK Rowling returns to the top 100, no doubt boosted by the publication of the two-part play, Harry Potter and the Cursed Child and the film release of Potter spin-off, Fantastic Beasts and Where to Find Them.
The Canadian hip hop star has jumped from number 69 to number four, more than doubling his fortune through touring and endorsements with the likes of Nike, Sprite and Apple.
The Real Madrid footy star drops just one place on this year's list. On top of his soccer earnings, the current Fifa world player of the year also has a line of branded products including underwear and jeans, plus a lifetime deal with Nike.
Another Canadian star, The Weeknd, has cracked the top 10 for the first time, having made it to number 30 last time round. His latest album, Starboy, had the third-largest debut sales week in the US of 2016. He recently collaborated with Lana Del Ray on duet, Lust for Life.
US "shock jock" and self-styled "king of all media" Howard Stern holds on to the seventh spot he occupied last year. The former America's Got Talent judge is currently part way through a five-year deal with Sirius XM Radio.
Coldplay return to the list following the success of their worldwide Head Full of Dreams tour, which finished in Australia and New Zealand in December. That's good news for the charity sector, as the band donate 10% of their profits to good causes.
Yes, it's another author on the list - Patterson has published more than 130 titles in his name and is believed to be the world's best-selling living author. Former US president Bill Clinton is currently writing a novel about the White House in collaboration with him.
Probably the US's best-known basketball star, the Cleveland Cavaliers player's $31m (£24.4m) salary in 2016-17 made him only the third NBA player to earn $30m in a season after Michael Jordan and Kobe Bryant. His endorsement list ain't bad either, including brands such as Nike, Coca-Cola and Beats by Dre.
Rewind to 2002 when Slim Shady released the Dido-assisted track about an overzealous fan named Stan who writes a letter to the Detroit rapper.
As Exclaim! points out, the Oxford English Dictionary has plucked his version of the word, defining "stan" as both a noun ("An overzealous or obsessive fan of a particular celebrity") and a verb ("Be an overzealous or obsessive fan of a particular celebrity").
The dictionary also lists the origin of the word as "Early 21st century: probably with allusion to the 2000 song “Stan” by the American rapper Eminem, about an obsessed fan."
Even the OED's sample sentence for the noun makes a reference to a "rap god," which was the title of a 2013 Eminem song: "He has millions of stans who are obsessed with him and call him a rap god."
This wouldn't be the first time an artist's lingo has made the dictionary: Kanye West’s "cray,” Drake’s "YOLO” and Beyonce's "Bootylicious" were previously added to the OED.
Drake has beaten Adele's record for the most wins at the Billboard Music Awards.