New York: Chris Martin has rebuffed rumors that he cheated on his estranged wife Gwyneth Paltrow with a TV assistant before their split.


Chris Martin and Gwyneth Paltrow 

A source had earlier told the New York Post that the 37-year-old singer, who appeared on the show 'Saturday Night Live' in 2011, met an unnamed assistant backstage and was openly flirting with her at a post show after-party.