Big Sean says Ariana Grande is ''very, very special'' to him.

The rapper, who has has been dating the 'Problem' singer for two months, has revealed their relationship is going very well.

Asked about their romance, the 26-year-old rapper told Ryan Seacrest on his radio show on Friday (26.09.14): ''I'm like a big fan, I know where I'm at. I'm at 'On Air with Ryan Seacrest'. [But] I like to keep my personal life personal. You know what I'm saying? But I am going to tell you this: That Ariana is very, very special. She's very special to me.''

He added: ''Everything she has going on is good with her, everything I have going on is good with me, everything between me and her is good, and I'm just going to leave it at that.''

The 'Dance' hitmaker, who split from 'Glee' actress Naya Rivera in April, usually plays coy when asked about the 21-year-old beauty, but he also recently admitted they have ''great chemistry.''

He said: ''Me and her make a lot of music together and the chemistry between me and her when we work is great.

''We got more in the works too. I feel like her voice is crazy, [just] that that big voice comes out of her is insane. I was probably one of the first people to tweet about her music; me and her been friends for years before anything else...''