Tiger Woods' wife Elin Nordegren has met divorce lawyers following weeks of revelations about her husband's infidelity, according to US media reports.
The couple wed in 2004 and have two children
People magazine, NBC News and ABC News, all citing sources close to the former model, say she plans to end her five-year marriage.
The mother of two has met lawyers to renegotiate her prenuptial agreement with the world's top golfer, People magazine said.
Ms Nordegren's recent trip to a restaurant without her wedding ring were meant to signal her plans, NBC News claimed.
"She and Tiger are living separately now but she'll be making this split very open and official right after Christmas," NBC reported a source as saying.
ABC News also quoted a source as saying: "Divorce is 100% on."
Ms Nordegren is expected to move out of the couple's Florida mansion before Christmas.
"She's planning to go somewhere warm and Tiger-free for Christmas," a source told The New York Post.Woods admitted to marital infidelity after claims he had been cheating on his wife with more than a dozen women.
Alleged mistress Jaimee Grubbswaitress.
They included a porn film actress, a nightclub hostess and a cocktailHe went on to announce an indefinite break from golf to focus his attention on "being a better husband, father, and person".
Some of Woods' lucrative sponsors have distanced themselves from the star since the allegations, but on Tuesday he was named Athlete of the Decade.
In a vote by Associated Press sports editors, Woods received 56 of the 142 votes cast, with more than half of the ballots were returned after the November 27 car crash that sparked the claims.
Woods has also received support from former New York mayor Rudy Giuliani, who said his message to him was "hang in there".
Mr Giuliani, whose 16-year marriage collapsed in 2000 amid accusations of adultery, added: "We know he's going to get through it."