Ariana Grande's 'Wicked' character Glinda and Ethan Slater's Boq intersect at Shiz University in 'Wicked' Moviegoers are finally getting a peek at Ariana Grande and Ethan Slater's relationship on the big screen.

In “Wicked,” Elphaba and Glinda travel from Shiz University to the Emerald City on a glistening green train to meet the wizard. In real life, Cynthia Erivo and Ariana Grande have traveled much farther and wider and longer — and on airplanes — to promote their hotly anticipated film.

During the exchange, Grande gently took hold of Erivo's long, green fingernail (an homage to her Wicked character) and lightly tapped it — seemingly in a gesture of support. The clip has since gone viral. Related: Wicked Spoilers! Ariana Grande Says Film 'Couldn't Have Happened' Without Amazing 'Full-Circle' Cameos (Exclusive)

Ariana Grande’s fans are left stunned after watching her perform the role of Glinda in Wicked and are singing her praises all over social media.The Disney alum, 31, was lauded by fans all

Ariana Grande also shared a series of BTS photos and videos on Wicked’s premiere day, though Slater could only be seen in the background of one image. “Like a handprint on my heart,” she captioned the post,

"To say I’m honored to be a part of this movie is the understatement of the century. I cannot wait for you to see it," the actor wrote