Justin Bieber Undies On Stage — Good Genes or Good Docs?!

Justin Bieber‘s transformation over the years is truly remarkable!

At 20 years old, Bieber made headlines for his appearance at the Fashion Rocks 2014 event in New York City (left), just four years after the release of his hit song “Baby.”

Over a decade later, Bieber continues to captivate audiences with his performances, such as his recent appearance at Coachella (right). His stage presence is undeniable, but the question remains: Good Genes or Good Docs?!

For more images of Bieber’s performances at Coachella over the years, be sure to check out the gallery above!