I started as a simple competition, but became a cultural phenomenon. What show am I?

1. My judges became celebrities in their own right, known for their blunt critiques and catchphrases.
2. Early seasons focused heavily on practical skills like sewing or cooking, but later seasons embraced more avant-garde challenges.
3. Winning often launched careers, leading to books, TV shows, and brand deals for the victors.
4. Multiple international versions of me exist, showcasing talent from different countries.