Alex Rodriguez couldn't have been prouder of his daughter Natasha, 17, over the weekend as she made a rare public appearance at the Miami Marlins Game.MORE: Alex Rodriguez cheered on by fans who think he deserves recogntionThe talented teenager sang the national anthem in front of the vast crowds, and A-Rod shared footage from the special moment on Instagram.Fans were more than impressed by her singing skills, with one writing: "So beautiful!" while another wrote: "She's incredible!" A third added: "What a beautiful, significant and proud moment for you all."VIDEO: Alex Rodriguez teases real reason he and Jennifer Lopez broke upAlex shares Natasha and Ella, 14, with ex-wife Cynthia Scurtis, who he remained on good terms with - and has even joined her, along with her husband Angel and their daughter on holiday in recent years so that their daughters can spend time with both their parents.MORE: A-Rod's new life following split from Jennifer LopezMORE: Alex Rodriguez shares rare photo of oldest daughter - and she's so grown up!A-Rod was previously engaged to Jennifer Lopez before the couple called it off at the beginning of 2021. J-Lo was incredibly close to Alex's daughters, as were her twins Emme and Max.A post shared by Alex Rodriguez (@arod)Alex Rodriguez's daughter Natasha showcased her singing skills In fact, she had even promised them some of her iconic dresses.