Jennifer Lopez with daughter Emme (L) and Alex Rodriguez’s daughters Natasha and Ella.Photo: Alex rodriguez/ instagram; Kevin Mazur/Getty

Jarod’s daughters birthday

Jennifer Lopezis celebratingElla Alexanderbecoming a teenager!

The singer, 51, marked the 13th birthday of exAlex Rodriguez’s younger daughter on Wednesday, posting a black-and-white photo of herself and Ella to her Instagram Story.

In the sweet image — which was also included inRodriguez’s own video tribute to Ella— Lopez shares a sweet embrace with the birthday girl.

Shecaptioned it simply, “Happy birthday Ella Bella,” adding a repeating-heart animated graphic at the top.

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Jennifer Lopez with Alex Rodriguez’s daughter Ella.Alex rodriguez/ instagram

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Jennifer Lopez’s daughter Emme (L) with Alex Rodriguez’s daughters Natasha and Ella.Alex rodriguez/ instagram

the girls

“13. Wow. That number has meant a lot to me over the years, but today, it’s even more special than ever,” wrote Rodriguez, referring to the number he wore during his yearsplaying for the New York Yankees.

“Ella — everyday you amaze me more than I could have ever imagined. You are smart, mature, talented, caring, and funny,” Rodriguez praised his daughter, going on to say he is “so proud of the young woman” Ella is becoming and feels"so lucky and grateful to be your dad."

“I love you so much. ❤️ Happymagical 13th birthday sweetheart! 🎂 🎉 ,” Rodriguez concluded.

RELATED VIDEO: Alex Rodriguez Posts Birthday Tribute to Daughter Ella — andJennifer LopezMakes an Appearance

Rodriguez and Lopez released a joint statement on April 15announcing the end of their engagementafter four years together.

During their time together, the two often shared photos, videos and anecdotes of their blended family: Ella and Emme plus Rodriguez’s older daughterNatasha, 16, and Emme’s twin brotherMaximilian “Max” David.

A source tells PEOPLE in this week’s issue that Lopez was “doing well” as she filmed her upcoming movieShotgun Weddingin the Dominican Republic — and that in the days since the official split, she has leaned on ex-husbandMarc Anthonyand their kids.

“The kids have visited her and they make her the happiest,” the insider says. “Jennifer and Marc Anthony have a great relationship. HavingMarc around while she has had to workabroad has been very comforting for Jennifer.”

source: people.com