Hook Ups Ariana and Pete make it official Ariana Grande is 24 years old, turning 25 in June. Which makes her older than Justin Bieber and Harry Styles who both just turned 24 earlier this year. Does she seem older than they are to you? Does she seem older than 20 to you? Julia Roberts was just 21 By Lainey • May 30, 2018 04:42 pm
