Usher has been blasted as "disrespectful" by his former producer, Jermaine Dupri.

Jermaine - who was behind the 'OMG' singer's 2004 album 'Confessions'- said he will have no more to do with usher because he feels he snubbed him when it came to making his latest album 'Raymond Vs Raymond'.

He said: "Well, I didn't really want to be executive producer of Usher's projects after 'Confessions'.

"You sold more records than any other artist in this decade based on that album and now I have to ask Usher, 'Am I the executive producer of your next album?' That seems disrespectful to me."

"As a producer, it's kind of hard for me to go back into people's projects when I gave you your biggest album ever."

Jermaine - the ex-boyfriend of Janet Jackson - added he expects people to ask him to produce them, which is what has led him to work with younger artists, such as Hot Dollar and Rocko.

He added: "I don't feel like I'm supposed to ask to produce anymore. People are supposed to come to me and tell me that I'm the executive producer. That's why I get more kicks working with younger artists."

Despite his comments, Jermaine co-wrote the track 'Foolin' Around' on 'Raymond Vs Raymond'.

Jermaine is also presently working with Mariah Carey on the follow up to her last album 'Memoirs of an Imperfect Angel'.