Pokémon - Image #727,049

…is this how Reddit gold works?

Don't worry, buddy – had this same problem a little while ago.
The artist always swaps the clothes for the two main characters – so in this case, Calem has Serena's style of clothes, and Serena has Calem's style of clothes.
…Don't worry – Calem always has a pair of pants, not a skirt or dress.