Jamie Lynn Spears’ Daughter Graduates From High School: Jamie Lynn Spears’ daughter is officially a high school grad, and the whole family showed up to support her … including JL’s famous nephew, Sean Preston Federline. Spears’ eldest, Maddie Aldridge, walked across the stage in Hammond, Louisana to… #JamieLynnSpears #GraduationDay #FamilySupport #HighSchoolGrad #MaddieAldridge