Finally! Britney Spears and her longtime boyfriend Sam Asghari are engaged! Britney Spears shared the news on Instagram Sunday, Sept. 12. “I can’t fucking believe it 💍💍💍💍💍💍❣️!!!!!! she wrote alongside a video of her and Asghari, along with her gorgeous 4-carat diamond ring. “Look at that. Do you like it?” Asghari asks in the video. “Yes!” Britney yells back excitedly. This exciting news comes five years after they first met on the set of her “Slumber Party” music video. He has been by her side through everything!