"An heirloom ring, and I said yes. We are engaged!" Katie gushed in the caption to the post, which was tagged in Beverly Hills, California. "Jesse's mom loves this ring. I am proud to wear it."
Monique Samuels expressed her excitement for Katie in the comments of her Instagram post. "Wow! Congrats girlie," she wrote, according to Bravo's The Daily Dish.
Earlier this week, Rost confirmed that she and her now fiancé celebrated their five-month anniversary together.
Photo Credit: Bravo
