The original version of Where Are Ü Now , was known as `` The Most '' and was included on the Japanese edition of Purpose .
The original version , titled `` The Most '' , was also released as a bonus track on the Japanese version of Purpose.  '' Where Are Ü Now '' was written by Sonny `` Skrillex '' Moore and Thomas Wesley `` Diplo '' Pentz , Justin Bieber , Jason `` Poo Bear '' Boyd , Karl Rubin Brutus , and Jordan Ware , and produced by Skrillex and Diplo .
Where Are Ü Now