There are several synonyms for the phrase "love grandiose theatrics." One such synonym is "adore elaborate displays," which refers to someone who enjoys extravagant demonstrations of affection or attention. Another synonym is "fond of grand gestures," which implies a preference for over-the-top actions that convey strong emotions. Yet another synonym is "enamored with elaborate spectacles," which describes someone who is drawn to large, dramatic displays of affection or passion. Whether it's through grand pronouncements, lavish gifts, or public displays of affection, those who love grandiose theatrics are passionate about expressing their love in an attention-grabbing way.