Jamie Lynn Spears celebrated her 17th birthday in style with dinner at Ruby Tuesday and a shopping trip to Wal-Mart.

Spears saw in her last birthday before motherhood with her fiance Casey Aldridge, and the pair his native Liberty, Mississippi to make the occasion special.

A source tells People magazine, “It was just the two of them. They were like a little adult couple, very low-key.

“They both seemed really happy, both in really good moods. Jamie Lynn had a big smile on her face."