Roberts has made a tradition of celebrating her kids' birthdays on Instagram. Last year, she took to the social media platform for Phinnaeus and Hazel's 18th birthday. She also shared an Instagram tribute the previous year for their 17th birthday.

While Roberts and Moder usually keep their family life private, Roberts loves to celebrate her children any way she can.

Last year, at the world premiere for her film \"Ticket to Paradise,\" the actress wore a custom Alexander McQueen gown embroidered with her kids' initials, as well as her husband's initials.

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