One thing that might explain his flurry of bizarre activities is that JB may be in the throes of love, as he's reportedly dating Australian model and swimwear designer Sahara Ray.
The pair recently travelled to Hawaii together where they arrived via helipad, skinny dipped and floated around waterfalls in inflatable flamingoes. Classic Zante '08 stuff.
The 24-year-old topped those snaps today by posting what appears to be a picture of her sans underwear and hanging out in the jungle.
It's a recurring theme on her account, where she likes to go à la Bella Hadid and free the nipple, all amended to meet Instagram's stringent nipple policy with drawings and stickers. Genius.
Let's hope Bieber doesn't totally pack in his music career, or the Beliebers might have a new nickname for her: Yoko.