Haylie Duff, the older sister of former Lizzie McGuire star Hilary Duff, has announced she’s engaged to her boyfriend Matt Rosenberg.

The 29-year-old actress posted the happy news to her Instagram account, writing “The future Mrs.Rosenberg #Love @mr_sts.”

image via Instagram from Instagram

She shed some more insight into the engagement on her blog, calling this week the “best week of my life.” She called the moment he proposed “genuine and sweet.”

"We are so excited and happy to share our wonderful news with everyone!" she wrote. "We both feel so blessed to have the love and support of our family and friends and can’t wait to start this new adventure!"

The engagement news comes only three months after her younger sister announced her separation from husband of three years, Mike Comrie. The former couple share a 2-year-old son named Luca. Their rep said in a statement at the time, “They are dedicated to loving and parenting their amazing son."