Actress Jennifer Aniston, who co-directed the short film 'Room 10' attends the Glamour Reel Moments event held at the Directors Guild of America Monday, Oct. 16, 2006, in Los Angeles. [AP]

New York - Paging all tabloids: Be careful about what you write about Vince Vaughn and Jennifer Aniston. According to statement released by a London law firm, the 36-year-old actor would be filing a "legal complaint" against a tabloid trio, the New York Post and the Britain-based Daily Mirror and The Sun, that said he was seen kissing a "mystery blonde" at an Oct. 8 charity event in London and had called it quits with Aniston.

"Ms. Aniston and Mr. Vaughn had not ended their relationship either at the material time or since ... The suggestion that he was having a passionate embrace and kiss, or has ever been unfaithful to Ms. Aniston, are false," the statement said.

Aniston has also gone public about their couplehood, albeit, in a kindler, gentler way. On Monday's "Oprah," the 37-year-old actress revealed that she and Vaughn are still together.

When Winfrey asked if she and Vaughn were "broken up," Aniston replied, "No, no."

If no settlement is reached between Vaughn and the tabloids, the case "is expected to go to jury trial in London's High Court" next year, the statement said.

Vaughn's spokesman, John Pisani, did not immediately respond Tuesday to an e-mail by The Associated Press seeking details about the lawsuit.