@jamielynnspears / Instagram 1 / 12
@jamielynnspears / Instagram 1 / 12

So much love for Maddie! Jamie Lynn Spears' daughter enjoyed an action-packed 6th birthday, which she celebrated Thursday.

Aunt Britney Spears posted several Instagram videos of the birthday girl in which Maddie joins her mom Jamie Lynn onstage at a Country Jam 2014 preview in Grand Junction, Colorado, where the country singer serenaded her little one with "Happy Birthday."

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"Wishing a very Happy 6th Birthday to Princess Maddie!!" Britney, 32, wrote alongside a clip of her niece onstage with Jamie Lynn. "Wish I was there to sing Happy Birthday to u." In the adorable video, Jamie Lynn, 23, sings the anthem to her little one -- and gets the crowd to chime in, too.

Reposting her sister's Instagram, Jamie Lynn responded to her older sibling: "We wish you and the boys were here too!!!"

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Doting Aunt Britney shared a second clip of her niece, wearing a princess gown while singing her little heart out at home. "Sing it Maddie!!" the "Work B--ch" singer wrote. "Loving all the bday videos @jamielynnspears has been sending me today :) So cute!"

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The little one, it turns out, marked her big 0-6 with a Frozen-themed birthday party. "My baby girl is 6 today!!" the proud mommy wrote on Instagram, alongside a living room filled with toys from the animated hit. "Can't believe it!! Happy birthday Maddie!! I love you!! #happybdaymaddie."

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Jamie Lynn also shared a family snapshot with her husband Jamie Watson and Maddie (whom she shares with ex Casey Aldridge), surrounding a gorgeous two-tier birthday cake decorated with the beloved Disney movie's characters and colors. "Our little family, I love them both soooooo much!!!!" Jamie Lynn wrote. "#thewatsons."


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