The 23-year-old US star was recently admitted to rehab and is best known for dating stars such as Hilary Duff and Lindsay Lohan.
The show will return for its 11th series in November this year and stars such as Jedward and Imogen Thomas have been rumoured to be taking part.
According to UK newspaper Daily Star, bosses are hoping he will dish the dirt on some of his past girlfriends as well as reveal all on his meetings with Michael Jackson.
After the King of Pop's death in 2009, Carter revealed he used to hang out with him when he was 15.