"We were very giggly together," Grande said, adding that the dynamic helped their characters' onscreen chemistry.

Ariana Grande and Jonathan Bailey didn’t need to fake their chemistry on the set of Wicked — the actors became fast friends thanks to their theater kids roots, they tell PEOPLE. Pop star Grande, 31, and Bridgerton actor Bailey,

The Wicked star's brother was born to their mom, Joan Grande, and his dad, Victor Marchione, in 1983. Ten years later, Ariana joined the family after her mom remarried to her dad, Ed Butera, though the two split when she was 8 years old.

Ariana Grande is sharing the magic of “Wicked” with her grandmother Marjorie “Nonna” Grande, even if just for one night.