Emily Heartman is the main protagonist of Let's Fly and Fight!
- Gender: Female
- Age: 16
- Birthday: September 16
- Friends: Ulysses Phillips (best friend), Tiffany Herington, Matthew Nelise
- Enemies: Katherine Malanson (arch enemy)
- Family: Emily Heartman's Mother (mother)
- Occupation: Student
- Species: Human (Emily), Human angel (The Angel Princess)
- Hair color: Brown (Emily), Blonde (The Angel Princess)
- Eye color: Blue
- Alter ego: The Angel Princess
- Voiced by: Grey DeLisle
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