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No one was injured, but the 2012 Camaro driven by Bobbi's boyfriend Nick Gordon was seriously damaged in the single-car collision Sunday night in Alpharetta, the website said.
It is unknown what the car hit.
Bobbi Kristina, 19, was a passenger in the vehicle and had been arguing with Gordon at the time of the crash, TMZ said.
The couple then apparently drove the car home after the incident, which was under investigation, the report said.
J.K. ROWLING: British author J.K. Rowling says she incorporated her own adolescent struggle with obsessive compulsive disorder into her new novel "The Casual Vacancy."
"We have an adult character in the book who has obsessive compulsive disorder," she told ABC News during an interview in Scotland, where she lives. "These are things I know from the inside. ... When I was in my teens, I had issues with OCD."
Rowling said the anxiety disorder manifested itself as "compulsions" -- "checking, double checking, triple checking" things.
The best-selling author said she has written "other things" since the seventh and last of her magic-themed, youthful Harry Potter books was published in 2007, but her non-fantasy novel "The Casual Vacancy" will be the first new book she releases.
"I've written other things during that time, but on and off for five years, that's been my priority," Rowling told ABC News. "I think I've been surprised by the fact that Harry hasn't left me to the degree that I thought he would. And I'm quite glad about that."
"The Casual Vacancy" goes on sale Thursday. It has sold more than 1 million copies in pre-sales in the United Kingdom.
GEORGE STRAIT: Country music icon George Strait has announced plans for a series of farewell concerts to kick off in Texas in January and run through 2014.
Strait, 60, told reporters Wednesday at Nashville's Country Music Hall of Fame and Museum he intends to continue recording, but his Cowboy Rides Away Tour will be his last, People.com said.
"This is going to be a very special, emotional tour for me," Strait said in a statement. "Everywhere we're going holds fond memories and I'm looking forward to paying my respects."
People.com said Martina McBride is to open for Strait on the tour, which will start Jan. 18 in Lubbock.
ANTONIO SABATO JR.: Antonio Sabato Jr.'s publicist told People.com Wednesday the actor has married singer-songwriter Cheryl Moana Marie on the Hawaiian island of Kauai.
The couple exchanged vows at sunset Tuesday at a private Anini Beach estate 18 family members and friends present, the website said.
The couple have been dating for about three years and are the parents of 1-year-old Antonio III.
Sabato Jr., a former "General Hospital" cast member, starred in the dating reality show, "My Antonio," before meeting Marie, a former Miss Kauai America titleholder.