The two baseball legends were elected on Tuesday.
The couple is also parents to 17-month-old daughter Bella.
The model was glowing while stepping out to a party in Miami on Thursday.
The pair are already parents to 1-year-old daughter Bella.
Alex Rodriguez could go on and on about his love for girlfriend Jennifer Lopez.
The couple enjoyed some time out from diaper duty in New York City on Monday.
The New York Yankess confirmed the news on Friday with a congratulatory tweet.
Welcome to the world, Bella Raine!
Derek Jeter Honored at Yankee Stadium Alongside Pregnant Wife Hannah, Admits He's 'Nervous' About Fatherhood
Some questions don't go over as smoothly as others.
The 26-year-old model also opened up about struggling with body image as a teenager.
The 'Sports Illustrated' model and 'Project Runway Junior' host tells ET she would never do a 'visibly pregnant' photo shoot.
No sign of baby here! The model stunned in the magazine's annual swimsuit shoot.
The model appears in the 'Sports Illustrated' Swimsuit Issue for a fifth time.
