Jamie Lynn Spears got married to her fiancé James Watson in her home state of Louisiana.
The ceremony took place at Audubon Tea Room in New Orleans, a source told E! News.
Approximately 150-200 guests were in attendance, including Britney and boyfriend David Lucado were seen catching a flight from Los Angeles to the big event.
The bride had her gown, by Liancarlo, picked out since January when she went wedding dress shopping with her 4-year-old daughter Maddie and mom Lynne.
Britney Spears tweeted: "So excited and happy for my sister! congrats @jamielynn spears, love you."