He caused up to $10,000 in damage to friend Justin Bieber's Ferrari in January, and racked up a fine on another one of the singer's luxury cars in February. But Lil Twist appears to still be at the receiving end of the 19-year-old singer's generosity, and it seems he is still abusing it. New pictures have emerged showing a messy, alcohol strewn scene at Justin's Calabasas mansion last week that are said to be of a party thrown by the 20-year-old Texan rapper while his famous friend was wrapping up his tour in Europe. Rowdy party: Lil Twist is said to have thrown a 'pot party' at Justin's Calabasas mansion last Tuesday while the singer was away in Europe 'Bad influence': Lil Twist, pictured in 2012, has abused Justin's generosity before, when he caused up to $10,000 in damage to the singer's Ferrari in January Lil Twist and another friend, who were staying at the 19-year-old pop star's pad while he wa