The star quit the panel to work on his US version of the show and has not been a judge for the past two years but in an interview with Hello! magazine he promised he would be coming back.
Cowell, who will be back on screens next month with the return of Britain's Got Talent, said: "I'm definitely getting more involved and will have a role in the next series.
"I'm not going to lie - I do miss doing it, because it's like my baby.
"It's been difficult the last two years not being on the show as I always had a great time and the last time that I did do it, it was such a brilliant year. So at some point of course I'm going to come back and do the show."
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