Alex Rodriguez's daughter, Natasha Rodriguez, celebrated her 21st birthday on Tuesday. Rodriguez shares Natasha and Ella from her previous relationship with his ex-wife, Cynthia Scurtis.On Tuesday, Natasha, who is studying a Bachelor of Fine Arts at the University of Michigan School of Music, Theatre, and Dance, shared a random post of hers by a lake in a green outfit on her birthday. She asked her followers:"thoughts on my songsssss??? (comment your fav!!!)" View this post on Instagram Instagram PostUnder the comments section, Alex Rodriguez's ex-girlfriend Torrie Wilson wished Natasha on her birthday:"Happy birthday sweet girl!"Comments sectionTorrie, a former WWE wrestler, and Alex Rodriguez reportedly dated from around 2011 to 2015. They shared a kiss at a Los Angeles Lakers game, which fueled relationship rumors. She also attended A-Rod's games at Fenway Park.According to rumors, the duo broke up due to A-Rod's unwillingness to commit long-term and his bond with his ex-wife, Cynthia Scurtis. Despite the breakup, they have remained friends.Mother Cynthia Scurtis also commented under the above post of Natasha Rodriguez. She commented:"Happy birthday to my beautiful girl.⭐️"Moreover, Alex Rodriguez's current girlfriend and Canadian fitness trainer Jaclyn Cordeiro, also commented:"Happy birthday beautiful"Comments sectionAlex Rodriguez reposts nostalgic photos of Natasha to celebrate her birthdayAlex Rodriguez also reposted a post from Cynthia on his Instagram story to celebrate Natasha's 21st birthday. Those were nostalgic photos of Natasha, including one where Cynthia put a crown on her head to give her a princess treatment.Rodriguez's Instagram storyA-Rod affectionately calls Natasha Rodriguez "Tashi." When Natasha graduated from high school, the former New York Yankees star said:"As your father, I’m supposed to be your role model. But for the last 18 years, you’ve been mine. Proud of you always! Love, Daddy."A-Rod also got pretty emotional two years back when he had to drop off Natasha at Michigan. He said:"Family is the single most important thing... It's just crazy. All of a sudden they're gone, and you're like, but what happened? She's having the time of her life. She's in the musical theater program and she absolutely loves it, but I'm crushed. I miss her so much."Like every growing father, A-Rod is also adjusting to life while seeing her daughters grow fast.