Teenage fashion trends are totally different from other age groups. Think about how people in their 20s dress different from people in their 40s. It’s a common thing. So, naturally, turning 30 also changes your mindset, and you begin to think maturely. Everything about your fashion worldview may shift during this critical time, and your style revolves around timeless trends. While this fashion evolution happens naturally, we still stubbornly cling to our favorites clothing pieces from the past.