There are many beautiful actresses, new generation takes all styles from e.g; how they talk, how they behave, their dressing, hair styles etc. Girls want to look more and more beautiful to attract others. For that purpose, they start copying pretty celebrities.
First you need to focus yourself what are the weak points behind. Start exercising!!!
Then keep checking your personal hygiene, skin, hair, lotion for hands and feet and take regular shower. For better skin start eating fruits and vegetables and drink required amount of water.
You have to take proper sleep to avoid dark circle problem because eyes are the most beautiful part of your face.
The utmost part to look pretty is your dressing. It should be stylish or trendy.