- Has the most successful solo career out of all the 1D members, with multiple hit singles and albums.
- Has won numerous awards and accolades, including a Grammy, Billboard Music Awards, and BRIT Awards.
- Has an established acting career, having starred in movies like 'Dunkirk' and 'Don't Worry Darling'.
- Has a large and devoted fanbase who eagerly follow his every move.
- Has achieved widespread recognition and international fame, with a solid presence in both the music and entertainment industries.
Based on these factors, I believe Harry Styles is the most famous band member of One Direction.