United Kingdom, Sept. 1 -- Lil Nas X's father is convinced the music star suffered a "breakdown" due to the pressure of being the family "breadwinner".

The Old Town Road rapper, 26, was arrested in Los Angeles last week after being found walking around in his underwear and he is now facing charges over his encounter with police - and his father Robert Stafford is convinced the pressure of his son's music career and the stress of his mother's addiction issues became overwhelming.

He told The Times newspaper: "For a 26-year-old to have to deal with what he's dealing with - to be a breadwinner for a lot of people, the inability to change his mother's situation and the pressure he puts on himself ...

"[The issues with his mother] can weigh...