Will.i.am has insisted he never flirts with contestants on The Voice, because he doesn't like to mix business with pleasure.
The musician and producer warned his fellow judges that it could be "dangerous" to encourage the fame-seeking contestants on the show.
Will told the Metro: "I am not attracted to people in search of the spotlight. Dating anybody famous or somebody searching for fame is dangerous and just a waste of time, for me. And if they've already got it, I won't be attracted to them."
And Will revealed he likes to keep a formal relationship with everyone he works with, even big stars like Britney Spears and Lady Gaga.
He said: "Out of all the coaches, I produce and write songs for other people and the last thing you want to do is be in the studio flirting with Gaga or flirting with Britney. You're not going to get work done [if you are] flirting with Fergie. Or flirting with f***ing Usher. You are never going to get work done.
"I can't, by nature of my craft, I can't flirt and work."
But while Will is focused on helping his team win BBC singing contest, he claims 73-year-old Sir Tom Jones likes to flirt.
Will went on: "Are you going to flirt? Or are you going to work? Or are you going to twerk? Kylie's going to twerk. I'm going to work. And Tom is going to flirt."