They're back! After playing father and daughter in The Little Mermaid on Broadway, pals Norm Lewis and Sierra Boggess are reuniting in The Phantom of the Opera (uh, not as father and daughter, but as the Phantom and Christine!) beginning May 12 at the Majestic Theatre. To celebrate this wonderful news, here are our 20 favorite photos documenting the adorable friendship between these two talented pals throughout the years. Congratulations, Sierra and Norm!