Nelly's seventh studio album, M.O., is well on its way -- and he says its "full of great collaborations.”

On the red carpet at the Grammys on Sunday, Nelly said, “I have the first ever Nelly and Nelly collaboration with myself and Nelly Furtado. Trey Songz is on my album, T.I. is on my album… Wiz Khalifa.”

M.O. will be the follow-up to 2010′s 5.0 and is due in June.