The 21-year-old actress and singer shared a photo of her engagement ring. The diamond studded princess ring included the caption, "Guessss what????" [Sic] She also shared a photo of the happy couple holding each other.
Jamie Lynn and Jamie Watson have been dating for two years. Jamie Watson is 30-years-old, while Jamie Lynn is just 21-years-old. The age difference shocked fans, especially since her fiancé is the same age as older sister Britney Spears.
This will be the first marriage for Jamie Lynn. She was engaged to Casey Aldridge, the father of her 4-year-old daughter Maddie. The couple broke up in 2010.
Jamie Lynn Spears' engagement comes two months after the news of Britney Spears' broken engagement. The pop star ended her relationship with fiancé Jason Trawick. Britney and Jason were set to wed by late spring or early summer of this year.