If you like picture books about princesses...
Thanks for requesting a Book Match! There are lots of great picture books to share with 2- and 4-year old girls! Here are a few ideas.
The Paper Bag Princess by Robert Munsch
Princess Elizabeth is to marry Prince Ronald when a dragon attacks the castle and kidnaps Ronald. In resourceful and humorous fashion, Elizabeth finds the dragon and rescues Ronald --- who is less than pleased at her un-princess-like appearance.
I am Really a Princess by Carol Diggory Shields
A child imagines herself a princess and contrasts her everyday life with the one she could have in a castle with infinitely permissive parents.
Today I Feel Silly and Other Moods that Make My Day by Jamie Lee Curtis
A child's emotions range from silliness to anger to excitement, coloring and changing each day.
When Sophie Gets Angry-Really, Really, Angry...by Molly Bang
Sophie copes with her intense anger by running to her favorite place to calm down. Bright reds, oranges and blues fit the story.
Mama Zooms by Jane Cowen-Fletcher
A boy's wonderful mama takes him zooming everywhere with her, because her wheelchair is a zooming machine.
What Mommies Do Best/What Daddies Do Best by Laura Numeroff
Mothers and fathers participating in everyday activities show their love for their children in very similar ways.
Gifts by Jo Ellen Bogart
A grandmother travels around the world and brings back gifts for her granddaughter.
Ruby's Wish by Shirin Yim Bridges
In China, at a time when few girls are taught to read or write, Ruby dreams of going to the university with her brothers and male cousins. (This is a longer story that your 4-year old might enjoy.)
I hope these suggestions help!