LONDON, ENGLAND - AUGUST 20: Singer Louis Tomlinson from One Direction poses with fans as he attends the "One Direction This
Ian Gavan/Getty Images for Sony Pictures

For a true Directioner, everyday is 1D appreciation day! Like with any holiday, it’s nice to take the time to celebrate the individuals who give your life meaning and pleasure. Today we celebrate Louis Tomlinson, the oldest and arguably the goofiest member of One Direction (just check out that worldwide trending #LouisAppreciationDay.)

You know and love the guy already, but did you know he also helped write some of 1D’s biggest and best numbers? We've curated a playlist of Louis’ crowning achievements, check it out below!