Lady GaGa is set to collaborate with Azealia Banks.

The 'Born This Way' singer - who refers to her fans as Little Monsters - has been exchanging tweets with the '212' hitmaker hinting that the pair will be working together in the near future.

Azealia tweeted: ''When Mother Monster calls ...'', followed by: ''Sh-- is about to get very f---ing real. (sic)''

Gaga then confirmed the phone call between the two, writing to Azealia: ''Can you make '99 Problems' my ring tone for when I call you, and then shout 'Bitch Ain't One' at me when you pick up? (sic)''

Azealia later joked: ''Talking to Lady Gaga on tha twitta ... NBD,'' before adding: ''HUGE DEAL. (sic)''

Although representatives for the pair refused to comment, Gaga recently collaborated with Kendrick Lamar and has previously worked with Beyonce Knowles.

It has also been speculated Azealia could also be close to signing on to appear on an upcoming leg of Gaga's 'Born This Way Ball' tour.