Editors at Britain's Sunday People allege the singer-turned-fashion designer has told pals she never wants to sing again, ruining rumoured plans for another Spice Girls tour.
The newspaper article suggests the four remaining members want to stage a reality Tv show to find a new fifth member, but Chisholm has taken to her Twitter.com page to dismiss the report.
In a post, she writes, "It seems there are some very peculiar stories in the press today. I haven't seen one that's true yet!"
Late last year (12), Chisholm spoke out to deny reports the band was looking for a singer to replace Beckham. The five-piece last performed together at the Closing Ceremony for the London Olympics last summer (12).