In this week's newsletter: From singers to YouTube stars and TV hosts, more famous faces are treading the boards. Some insiders think it's killing the industry, but for others it opens up theatre to a wider audience ' Don't get The Guide delivered to your inbox? Sign up here Timothée Chalamet might have smirked his way out of an Oscar. Sabrina Carpenter might have been roundly snubbed at the Grammys. But there's one…
