Jamie Lynn Spears, Britney Spear’s little sister got engaged on March 2, 2013 to Jamie Watson, Spear’s longtime boyfriend. Jamie Lynn is set to walk down the aisle. The younger Spears got engaged on March 2, 2013 to longtime boyfriend Jamie Watson. Jamie Lynn posted it on Instagram shortly after the proposal. At Diamonds by Eyal we have a similar feel that can be yours-loving the ring!!!