Is Hermione getting hitched?! A diner at Juniper and Ivy in San Diego, CA, recently overheard Emma Watson and her boyfriend of nearly two years, William "Mack" Knight, talking about marriage!

“They could be heard discussing what their dream wedding would be like,” the eavesdropper tells Life & Style exclusively. “They talked about which family members they would invite and where the wedding would take place, in America or London. They even talked about flowers and a honeymoon.”

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Though the pair has been dating since October 2015, Emma has yet to confirm they're an item or even mention his name in an interview. Instead of walking red carpets together, the actress, 27, and her tech entrepreneur beau, 37, prefer low-key strolls around London or an occasional Broadway date night in NYC.

Earlier this year, Emma revealed why she's never opened up about her love life. “I want to be consistent: I can’t talk about my boyfriend in an interview and then expect people not to take paparazzi pictures of me walking around outside my home. You can’t have it both ways,” she told Vanity Fair in February. “I’ve noticed, in Hollywood, who you’re dating gets tied up into your film promotion and becomes part of the performance and the circus. I would hate anyone that I were with to feel like they were in any way part of a show or an act.”

At one point, the brunette beauty, who previously attended Brown University, seriously considered shunning the spotlight all together. “I was finding this fame thing was getting to a point of no return,” she recalled. “I sensed if this was something I was ever going to step away from it was now or never.”

For more details on Emma’s serious relationship, pick up the latest issue of Life & Style, on newsstands now!