Washington, Feb 6 - Britney Spears' younger sister Jamie Lynn has split from Casey Aldridge, it has emerged.

The star of Nickelodeon's hit Zoey 101 has a 19-month-old daughter with Aldridge, reports Us magazine.

She made headlines in 2007 after her announcement that she was pregnant at the age of 16.

A year later, reports arrived that she and Aldridge were engaged.

Jamie Lynn gave birth to daughter Maddie Briann in June 2008 at a hospital in Mississippi, near her Kentwood, La., hometown. (ANI)