registry for the singer's younger sister and James Watson lists the wedding date at March 14, 2014. It also lists that the couple is registered at Bed Bath & Beyond. Spears, 22, announced last March that she became engaged on Twitter, by saying, "Guesssss what??????" alongside a picture of her showing off a diamond ring. Read: Jamie Lynn Spears Registered for $2,500 in Gift Cards at One Store The younger Spears is an artist in her own right and in November, the country singer released her first single, "How Could I Want More?", which big sister Britney plugged.