It’s her party, but she doesn’t mind sharing! Jennifer Lopez just celebrated her big 50th birthday on Wednesday, July 24, but she still extended the party vibe on Friday, July 26, to celebrate another Leo — her fiancé, Alex Rodriguez. J. Lo paused in the middle of her It’s My Party Tour concert stop in Miami to bring A-Rod onstage to celebrate his 44th birthday a few hours early.

In a video clip posted to her Instagram page, Jen invited Alex out onstage with her and they were joined by Jen’s backup dancers and the couple’s four children — Alex’s daughters Natasha and Ella and Jen’s twins Max and Emme. A-Rod seemed shocked and surprised, and maybe even a little shy as he tried to blend into the background.

But J. Lo was willing to share her birthday spotlight with her man, and she beckoned him to come closer to the center of the stage, where a large four-tiered birthday cake sat on a table. Each tier of the cake was decorated with fondant in a New York Yankees theme, included a blue tier with the baseball team’s logo, a blue-and-white pinstriped tier, and the bottom two tiers featured A-Rod’s old baseball jersey complete with his old number 13.

Jen counted to three, and the entire arena sang “Happy Birthday” to A-Rod and she even joined in on the microphone with a sweet serenade. The couple shared a few kisses onstage, and the couple shared a big group hug with their kiddos. “Celebrating you today and every day my love … you are one of a kind, my hurricane and my calm in the middle of the storm … thank you for being such a beautiful light in my life … wishing you the most beautiful birthday ever!!! HAPPY BIRTHDAY 13!!!” the “On the Floor” singer wrote in the caption of the clip.

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On Saturday, July 27 — Alex’s actual birthday — Jen took to social media to share a very sweet tribute video featuring clips and photos of sweet moments that the couple and their blended family have shared together. “HAPPY BIRTHDAY ALEX!!! WE LOVE YOU!!!!!!!!! ❤️💞😘💋,” she wrote in the caption.