Cynthia Erivo and Ariana Grande have developed a deep friendship outside of playing best friends in "Wicked." Here's what they've shared about their connection.

Really grateful to be here,” Ariana gushed. We've been spending these long days talking about it and then we went to dinner last night and were still happy to be talking about it together. We're really grateful.

While Ariana Grande and Cynthia Erivo have been coordinating their fashion, unfortunately they had similar experiences with getting sick on set. Because Erivo also got sick before her biggest number, "Defying Gravity." As she shared: