Bella ThorneDavid J. Bertozzi / BuzzFeedAriana GrandeROBYN BECK / Getty Images
Ariana Grande is older!
Ariana Grande is 21 years old, and Bella Thorne is 17 years old.
Jared LetoMLADEN ANTONOV Getty ImagesChristian BalePascal Le Segretain Getty Images
Jared Leto is older!
Jared Leto is 43 years old, and Christian Bale is 41 years old.
Margot RobbieROBYN BECK Getty ImagesAmanda SeyfriedThos Robinson Getty Images
Amanda Seyfried is older!
Amanda Seyfried is 29 years old, and Margot Robbie is 24 years old.
Will SmithMichael Kovac Getty ImagesIdris ElbaVALERY HACHE Getty Images
Will Smith is older!
Will Smith is 46 years old, and Idris Elba is 42 years old.
Jaime KingAlberto E. Rodriguez Getty ImagesKirsten DunstStuart C. Wilson Getty Images
Jaime King is older!
Jaime King is 35 years old, and Kirsten Dunst is 32 years old.
Sarah HylandJason Merritt Getty ImagesKendall JennerJason Merritt Getty Images
Sarah Hyland is older!
Sarah Hyland is 24 years old, and Kendall Jenner is 19 years old.
Colin FarrellTimothy Hiatt Getty ImagesLeonardo DiCaprioJason Merritt Getty Images
Leonardo DiCaprio is older!
Leonardo DiCaprio is 40 years old, and Colin Farrell is 38 years old.
BeyoncéJason Merritt Getty ImagesKim KardashianPascal Le Segretain Getty Images
Kim Kardashian is older!
Kim Kardashian is 34 years old, and Beyoncé is 33 years old.
Jennifer LopezJason Merritt Getty ImagesAngelina JolieJason Merritt Getty Images
Jennifer Lopez is older!
Jennifer Lopez is 45 years old, and Angelina Jolie is 39 years old.
Tyler PoseyJason Merritt Getty ImagesZac EfronTheo Wargo / NBC Getty Images
Zac Efron is older!
Zac Efron is 27 years old, and Tyler Posey is 23 years old.
RihannaJason Merritt Getty ImagesRita OraPascal Le Segretain Getty Images
Rihanna is older!
Rihanna is 27 years old, and Rita Ora is 24 years old.
Rachel McAdamsNeilson Barnard Getty ImagesRachel BilsonSlaven Vlasic Getty Images
Rachel McAdams is older!
Rachel McAdams is 36 years old, and Rachel Bilson is 33 years old.
PharrellKevork Djansezian Getty ImagesUsherJason Merritt Getty Images
Pharrell is older!
Pharrell is 42 years old, and Usher is 36 years old.