Victoria and David on his 33rd birthday wore matching monochrome outfits but she has not been spotted in her own label jeans for some time
"She's not supporting the line," he said. "It's not good for her brand and not good for her endorsements."
However he later retracted the comments, describing the rumours of a split as "ridiculous" and saying that Kitson would continue to stock the dVb range.
Victoria and David Beckham set up Beckham Brand to deal with their clothing ranges in May 2004, but records show that last year's accounts for the London-based business are overdue.
A spokesman for Victoria said: "We wouldn't be able to comment on it. It is a legal matter." Rock &Republic also refused to comment.
