At the Wicked Los Angeles premiere, Ethan Slater chats with THR and reflects on his casting audition. Plus, he explains the similarities between working on Broadway and working on Wicked. Slater also mentions feeling “privileged” to have experienced Cynthia Erivo and Ariana Grande’s powerful on-screen chemistry.

The lovebirds left fans swooning after Grande was pictured adorably adjusting her boyfriend's bow tie on the red carpet at the Wicked premiere on Nov. 9 in Los Angeles. Another sweet moment between the two happened in Australia, when Slater was pictured holding up Grande's impressive train at the Sydney premiere.

Ariana Grande makes her relationship with 'Wicked' co-star Ethan Slater Instagram-official with a photo from the film's Australian premiere.

Broadway star Ethan Slater gushes over "Wicked" co-star and girlfriend Ariana Grande in new interview. Grande plays "Galinda" in the film.

Ethan Slater is looking back at some of his SpongeBob onstage antics. The Tony-nominated performer recently appeared on the Jennifer Hudson Show and shared the most embarrassing moment he remembers from the run of the Broadway show.

Ethan Slater Gushes Over ‘Incredible’ GF Ariana Grande (Exclusive) Ethan Slater chats with ET's Denny Directo at the 'Wicked' premiere in Los Angeles. The actor, who plays Boq in the film, opens up about sharing this journey with his 'incredible' girlfriend and co-star,