you've changed a lot
Vaya, veo que has cambiado mucho desde la última vez que nos vimos hace como cinco años.
Wow, I see you've changed a lot since the last time we saw each other about five years ago.
No has cambiado mucho el cuarto.
You haven't changed the room much.
Has cambiado mucho, casi no te reconozco.
You've changed so much, I hardly recognize you.
— Señora venganza (2005)
You haven't changed much.
Has cambiado mucho desde la última vez que hablamos.
You've changed a lot since the last time we talked.