Lynne Spears jams to 'Toxic' in her car

When Britney Spears' mom hears her daughter's song "Toxic" on the radio, she dances of course.

Jamie Lynn Spears was riding in the car with her mom, Lynne, on Thursday when she recorded her rocking out to her older sister's mega hit. Mama Spears can be seen throwing her hands in the air and dancing around while Britney's song can be heard playing in the background.

The youngest Spears sibling posted the video on Instagram, with the caption, "#moms."

The pop singer has nothing but love her supportive mom. On Mother's day, Spears posted an old picture with the matriarch of the family, writing, "Happy Mother's Day to this amazing woman!! Thank you for always being there for me, mom ❤ I love you!"