Before becoming hot idol stars, the members of Wanna One were cute... very cute little kids. Just look at their adorable old school photos.... Can you handle the cuteness?
SEE ALSO: Wanna One shut down speculations about their debut date + address variety show appearance talk
Ha Sung Woon went from chubby cutie to a total hottie and one thing that never changed is his perfect skater boy hairstyle.
Park Woo Jin might have had an awkward smile but he was always full of swag.