A two year old girl likes to be dressed the way it can find itself pretty. Many girls like to be dressed pretty and colorful. Small children often still see the aura or people as well as their own aura. Hence very young children see the beautiful colors in the aura of loving persons and hence they like to dress in a colorful way. Parents dress their children the way they want.
Children often are unhappy and uncomfortable that way.
Suddenly - may be minutes or seconds before leaving home the children may require to dress differently. Parents say NO - period. A YES opens the door for self made happiness within the children. As a YES causes your Love for your children to flow into and through them and at the same time allows them to be dressed in a way they feel comfortable and can love themselves. Feeling good is important.