Justin Bieber Crashes Mariah Carey/French Montana Sesh http://t.co/a4M4pRkLRK— TMZ (@TMZ) July 31, 2015
-Bieber showed up as Mariah and French Montana were working on a song
-She played the song for Justin because he was such a huge fan
-Justin was so inspired that he added his own vocals and will now appear in the song.
-Kylie was there too.
mariahcarey#comingsoon @frenchmontana @ehudmusic @joeyarbagey @justinbieber
mariahcareyWe love @frenchmontana #pondestudio #surprise 🎤🎤🎤🎶🎶🎶🎶 @ehudmusic
Source // Source
I can't imagine this combo sounding pleasant at all.