Lady GaGa wishes Madonna would tell her she's a ''piece of s**t'' to her face rather than insulting her on TV.

The 'Million Reasons' hitmaker has slammed the 59-year-old icon for choosing to criticise her through the media, calling Gaga's music ''reductive'', rather than dealing with any friction between them in a face-to-face showdown.

Gaga explained: ''The thing with me and Madonna, for example, is that I admired her always and I still admire her no matter what she might think of me. No, I do.

''The only thing that really bothers me about her is that I'm Italian and from New York so, like, if I got a problem with somebody, I'm gonna tell you to your face. But no matter how much respect I have for her as a performer, I could never wrap my head around the fact that she wouldn't look me in the eye and tell me that I was reductive or whatever...

''No no no, like I saw it on f**king TV. Telling me that you think I'm a piece of s**t through the media - it's like a guy passing me a note through his friend: 'My buddy thinks you're hot, here's his...' F**k you! Where's your buddy f**king throwing up against the wall and kissing me?''

Gaga, 31, said that if Madonna has any issues with her or her music, she should have the courage to address the problem head-on.

Speaking in her new Netflix documentary 'Lady Gaga: Five Foot Two', she said: ''I just want Madonna to f**king push me up against the wall and kiss me and tell me I'm a piece of s**t.''

The feud between Madonna and Gaga dates back to 2012, when the 'Like a Prayer' hitmaker described Gaga's music as ''reductive''.

Prior to that incident, Gaga - a self-confessed fan of Madonna during her teenage years - admitted her hit single 'Born This Way' was influenced by the Madonna track 'Express Yourself'.