The engaged couple sat front row at the New York Yankees vs. Baltimore Orioles game.
Jennifer, 49, and Alex, 43, were joined by her twins Max and Emme (who she shares with ex Marc Anthony) and his daughters Natasha and Ella (who he shares with ex Cynthia Scurtis).
"A perfect Saturday afternoon. Family. Friends. And a game at @yankees Stadium" Alex captioned the family snap.
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Jennifer shared the same photo on her Instagram as well. "Take me out to the ball game..."
The "Play" singer posted a much different snap the following day.
She posed in a skimpy bikini on set of her upcoming film Hustlers. Jennifer plays a stripper named Ramona in the movie that costars Constance Wu and Cardi B.