Pop star Britney Spears hopes to quash rumours her marriage to Kevin Federline is on the brink of collapse by signing up for a second series of her hit reality show. BRITNEY AND KEVIN: CHAOTIC follows the singer in her everyday life and Spears hopes extending the show will end speculation surrounding her private life. The last few months have seen the couple plagued by press reports heralding an imminent divorce, as well as criticisms of the TOXIC hitmaker's parenting skills. The 24-year-old, pregnant with her second child, says, "I know that things are fine, but this show will put paid to those rumours finally." Memorable moments in the first series include Spears bragging about her lengthy lovemaking sessions, and begging her husband-to-be for sex.