AP All celebrities are fabulously attractive, no matter their age — but it can be surprisingly tough to guess how old they really are. Case in point: Check out these pairings of famous actors, musicians, and models who were born less than a year apart. As of this writing, most are currently the exact same age.Musicians Cardi B and Ariana Grande are both currently 25. Dimitrios Kambouris/Getty Images and Jesse Grant/Getty Images for iHeartMedia A tweet pointing out their shared age went viral in September 2018.