EXCLUSIVE: Kevin Hart Gushes Over Fiancee, Freaks Out Over Getting Gray Hair

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Kevin Hart is ready to say "I do!"

ET caught up with the 36-year-old comedian at the premiere of his animated film, The Secret Life of Pets, at the Lincoln Center in New York City on Saturday, where he couldn't stop gushing over his fiancée, Eniko Parrish, and his upcoming August nuptials.

WATCH: Jenny Slate & Chris Evans Make Red Carpet Debut As a Couple at 'Secret Life of Pets' Premiere

"I do! I do, man," he exclaimed as ET's Jennifer Peros noted that his big day is fast approaching. "I'm getting married!"

Hart, who voices a rabbit named Snowball in the 3-D comedy, revealed that Parrish was actually out of town celebrating her bachelorette party while he was at the premiere. But was he worried about his wife-to-be? Not a chance!

"When you don't ask questions, that means [she] can't ask me questions about mine," Hart explained.

The Central Intelligence star told ET that he'd be "going somewhere" for his bachelor party, but also admitted that he hasn't come up with any plans yet -- which means he may end up having a very low-key shindig. "I'm so excited to do absolutely nothing probably," he said. "I'll probably be home asleep."

WATCH: Kevin Hart and Dwayne Johnson Debate Who's in Better Shape

At the very least, he has one thing on his wedding day to-do list: dying his gray hair.

"I'm turning into Morgan Freeman," he joked. "I don't know what's going on. I think my older age is just going straight to my hair… It's weird because only half of it goes gray, so it's like I turn into this weird villain that didn't make it to Marvel."

"I have to dye it to black, [but] only when I have events," he added. "Other than that I don't care. It is what it is."

ET also chatted with Hart at CinemaCon in Las Vegas in April, where he adorably revealed why all the "crazy" wedding planning is "all worth it."

WATCH: Kevin Hart Talks His Pricey Upcoming Wedding

"You know why? Because this is the woman that I love," he gushed. "And I want my woman to have a perfect day. That's what any man should want."

Hear more in the video below.