Timothée Chalamet has hosted Saturday Night Live before, but for him, the musical guest slot has remained a complete unknown - until now. As announced Friday (Jan. 10), the actor will return to 30 Rock on Jan.

But SNL has never had an actor performing songs from a currently-in-theaters biopic before. It’s the cap on a pretty unique press tour Chalamet has been running for A Complete Unknown, and—if he should manage to secure a nomination,

Timothée Chalamet is set to appear on an upcoming episode of 'Saturday Night Live' as both the host and musical guest, making him the first non-professional singer in 30 years to do so.