Slater is a Broadway actor who rose to fame starring as Spongebob in "The Spongebob Musical." Here's what to know about Slater, from his notable roles to his relationship with ex-wife Lilly Jay.

Ariana Grande and Ethan Slater's relationship ... Here's everything to know about Slater. Slater is an actor who rose to fame playing Spongebob on Broadway For his star turn as the plucky yellow ...