"[Britney] is really happy and I wouldn't be surprised if they got engaged," an insider told on Friday.
"Sam is really good with the boys and that makes Brit really happy.
She also twirls in a light-pink dress, then dances in a skin-tight night gown.
In the 20 hours since the video was posted, it has been seen over 4.15 million times.
She cares a lot that the boys are comfortable with the person she’s dating." Asghardi, who met Spears when he was hired for her "Slumber Party" music video, is also "very understanding and flexible in regards to her work schedule, which is necessary," the source told In January 2016, Spears said the two immediately hit it off during filming.