Where are Ü Now is a Grammy-nominated song .
'' Where Are Ü Now '' is a song produced and performed by American music producers Skrillex and Diplo under their collaborative effort Jack Ü . The song features vocals from Canadian singer Justin Bieber and is the second single from the duo 's debut studio album , Skrillex and Diplo Present Jack Ü , on their respective labels OWSLA and Mad Decent and is included on Bieber 's fourth album Purpose .
Where Are Ü Now