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Crazy Ex-Girlfriend will feature a very special guest appearance during its third season. TV Line reported that Josh Groban will guest star on an episode of the comedy. He will also sing.

Rachel Bloom first revealed Groban’s appearance on her Instagram.

@joshgroban is gonna be on #crazyexgirlfriend but it’s a secret so don’t tell anyone

A post shared by Rachel Bloom (@racheldoesstuff) on Aug 14, 2017 at 6:46pm PDT

Groban also teased the appearance on Crazy Ex-Girlfriend on his Twitter.

Oh hey @Racheldoesstuff. Thanks for having me on your brilliant show! I know it’s secret but this is a DM right? pic.twitter.com/fjcB2hJznw

— josh groban (@joshgroban) August 15, 2017

Are you excited for the return of this series? Tell us what you think.