 An accompanying music video , directed by Joseph Kahn , sees Scherzinger take on the role of a female superhero and switches between a good @-@ girl and bad @-@ girl persona . It was noted for its similarities to another Kahn @-@ directed video , " Toxic " by Britney Spears . " Poison " peaked at number three on the UK Singles Chart becoming Scherzinger 's second most successful single as a solo artist , in addition to peaking at number seven in Ireland , where it also became one of her highest charting releases . The single reached number one in Scotland , which was Scherzinger 's first solo number one worldwide . 
