Joel Madden Celebrates "Little Sister" Sofia Richie's Birthday With Unseen Family Photos.

Joel Madden Celebrates "Little Sister" Sofia Richie's Birthday With Unseen Family Photos.
Sometimes, the lifestyles of the rich and famous will give you heart eyes.
Case in point?
Joel Madden took to Instagram on Tuesday, Aug.
24 to celebrate sister-in-law Sofia Richie 's 23rd birthday with a sweet tribute.
The Good Charlotte musician, who is notoriously private about his personal life with wife Nicole Richie, even shared never-before-seen family photos for the special occasion.
"Happy Birthday to my little sister," the 42-year-old artist began his caption, alongside several partying face and heart emojis.
"@sofiarichie love you forever Sof."

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The model most certainly appreciated the shout-out as she commented, "I love you beyond!"

Along with his message, Joel posted a rare throwback image that showed him and Nicole adorably embracing a young Sofia.