Jamie Lynn Spears is engaged! The mother of 4-year-old daughter Maddie Briann will soon walk down the aisle to marry boyfriend Jamie Watson.

Breaking the news on Twitter Monday night, the 21-year-old posted the photo seen here, writing, “Guesssss what??????”

While showing off her beautiful ring, Jamie Lynn Spears kept a tight arm around her 30-year-old husband-to-be.

The singer was previously engaged to Maddie’s father, Casey Aldridge, but they split in 2010 before ever tying the knot.

photo: Instagram