A possible concise summary is:
Ashley and Brooke are twin sisters with long blonde hair. Ashley becomes a famous model after Brooke loses her hair in a fight over ice cream. Brooke is jealous and bitter of Ashley's success, while Ashley tries to include her in everything. They discover that their mom has been manipulating and stealing from them, and they confront her. They reconcile and switch roles in a movie that Ashley was starring in.
Here are some key facts extracted from the text:
1. Ashley and Brooke are twin sisters with long blonde hair.
2. Brooke loses her hair after a fight with a boy over an ice cream and has to cut it short.
3. Ashley becomes a famous model after using Brooke's photos and moves to Los Angeles with her mom and Brooke.
4. Brooke joins a local theater group and gets the lead role in a play.
5. Ashley's mom sends photos of Ashley hugging her co-star Tom to the media to create publicity for her movie.
6. Ashley and Brooke find out that their mom has been stealing from Ashley and cancel all her contracts.
7. Ashley asks Brooke to take her place in the movie.