Wicked is shaping up to be a massive hit — and it’s also sparked a sweet romance between stars Ethan Slater and Ariana Grande off-screen. In a recent chat with GQ, published on Wednesday, October 30, the magazine noted that Slater, 32, turned a bit red when asked about falling for Grande, 31, during filming. “That’s a really sweet question,” Slater responded with a smile. “That’s really nice of you to ask. That’s a really sweet question.” Word got out in July 2023 that Slater and Grande had started dating after they both ended their previous relationships with Lilly Jay and Dalton Gomez. The p…