Ella Enchanted fan?
Enchanted by Ella? Try one of these:
The Frog Princess series by E.D.Baker
After reluctantly kissing a frog, an awkward, 14 year old princess suddenly finds herself a frog, too, and sets off with the prince to seek the means--and the self-confidence--to become human again.
The Runaway Princess by Kate Coombs
15 year old Princess Meg uses magic and her wits to rescue a baby dragon and escape the unwanted attentions of princes hoping to gain her hand in marriage through a contest arranged by her father, the king.
Catherine Called Birdy by Karen Cushman
The 13 year old daughter of an English knight keeps a journal in which she records her life, particularly her longing for adventures beyond the usual role of women and her efforts to avoid being married off.
Once Upon a Marigold by Jean Ferris
A young man with a mysterious past and a penchant for inventing things leaves the troll who raised him, meets an unhappy princess he has loved from afar, and discovers a plot against her and her father.
The Princess Academy by Shannon Hale
While attending a strict academy for potential princesses with the other girls from her mountain village, 14 year old Miri discovers unexpected talents and connections to her homeland.
Bella at Midnight by Diane Stanley
Raised by peasants, Bella discovers that she is actually the daughter of a knight and finds herself caught up in a terrible plot that will change her life and the kingdom forever.
Rapunzel, the One with all the Hair by Wendy Mass
Rapunzel is having a bad day. She's been stolen by a witch and may have a ghost for a roommate. Prince Benjamin's got it pretty tough too. His father wants him to be more kingly, his mother hovers, and his cousin wants to get him into as much trouble as possible (possibly with a troll). Both Rapunzel and Benjamin are trapped - in very different ways. Once their paths cross, well, that's when things get really strange.
Whatever After: Fairest of All by Sarah Mlynowski
Mirror, mirror, on the basement wall... Once upon a time my brother and I were normal kids. The next minute? The mirror in our basement slurped us up and magically transported us inside Snow White's fairytale.
Dealing with Dragons by Patricia Wrede
Bored with traditional palace life, a princess goes off to live with a group of dragons to fight against some disreputable wizards.
For a darker and more mature view of Resourceful Young Ladies:
Singer of all Songs by Kate Constable
Calwyn, a priestess of ice magic, joins with others who have different magical skills to fight a sorcerer who wants all powers for his own.
Wise Child by Monica Furlong
Abandoned by both her parents, 9 year old Wise Child goes to live with the witch woman Juniper, who begins to train her in the ways of herbs and magic.
I, Coriander by Sally Gardner
In 17th century London, Coriander, a girl who has inherited magic from her mother, must find a way to use this magic in order to save both herself and an inhabitant of the fairy world.
Just Ella by Margaret Peterson Haddix
In this continuation of the Cinderella story, 15 year old Ella finds that accepting Prince Charming's proposal ensnares her in a suffocating tangle of palace rules and royal etiquette, so she plots to escape.
East by Edith Pattou
A young woman journeys to a distant castle on the back of a great white bear who is the victim of a cruel enchantment.
Zel by Donna Jo Napoli
Based on Rapunzel, this dark story is told in alternating views of Zel, her mother, and the prince.
Beauty by Robin McKinley
Kind Beauty grows to love the Beast at whose castle she is compelled to stay and through her love releases him from the spell which had turned him from a handsome prince into an ugly beast.