Rebecca Rubin Senior Film and Media Reporter “West Side Story” star Rachel Zegler and “Heartstopper” breakout Kit Connor will make their Broadway debuts in “Romeo+ Juliet,” a modern-day adaptation of Shakespeare’s classic that will open in the fall. The two young actors, who will play star-crossed lovers, teased the news Monday on Instagram with matching posts of their character’s initials and the caption of a heart and dagger emoji.