My Stepsister Crashed My Engagement Dinner — Then Karma Gave Her a Lesson She Won’t Forget

My stepsister Ava had a long history of turning my milestones into her own spotlight. From fake injuries during my school achievements to upstaging my birthday with dramatic claims, she’d always found a way to make everything about herself. After years of distance, she seemed to have changed—calmer, more grounded, even expressing a desire to…