There's a fine line between genius and insanity. The jury's still out on which side Joaquin Phoenix will fall.
The Oscar winner has certainly been walking the line with his latest antics. First came the infamous "Bye! Good" red carpet moment and the claims he was giving up his acting career.
Lately, he's been focusing on his "rap" career as brother-in-law Casey Affleck creates a documentary about his evolution from movies to music.