Exhausted Justin Bieber slumps as he is driven from late night studio session

He has been spotted partying hard in the south of France over the last few weeks, and has been channeling every spare moment into producing new music.
So it is no wonder Justin Bieber is feeling exhausted, as he was spotted falling asleep in the back of his car after a recording session in LA on Thursday.
Although the 20-year-old singer looked seemingly innocent snoozing like a baby, an unusual gun shaped ashtray could be seen on the floor of his chauffeur driven car.

The Baby singer revealed exactly who he has been working with too, rapper Keenon Daequan Ray Jackson, who goes by the stage name of Young Gangster, or YG.
And it seems the 24-year-old rapper has mutual respect for the Boyfriend singer as he introduced a snap of them both on twitter with the caption:'The young thug @justinbieber .... #LA #WESTKOAST'