Thorne shows some skin in a backless gown.

The underboob situation is real.

Pigtails? Why not.

The actress, and her sister Dani Thorne, rock matching 'dos on the red carpet together.

The Famous In Love star flashes a bit of her toned tummy in this pretty printed number.

Do pool parties have red carpets? They do in Hollywood.

Thorne and Kylie Jenner attend the Vera Wang Spring 2016 show at New York Fashion Week.

When you want the back of your dress to get just as much attention ... and not just the front.

Thorne wears her heart on her pants.

The Disney Channel alum looks super-chic with a red lip.

When your dress matches the carpet ...

Now this is how you pose on a red carpet.

Thorne isn't afraid to step out with a plunging neckline.

Red hair? Check. Red lips? Check. Red top? Check.

The Duff actress turns heads in a sexy mini dress.

All suited up.

Thorne and her Shake It Up costar Zendaya embrace before the Teen Choice Awards.

You can never go wrong with a semi see-through gown.

Thorne looks fierce with a top knot and little black dress.

The actress and then-boyfriend Gregg Sulkin dress up for a red carpet date night together.

The only things more gorgeous than the dress are her shoes.

Too cute.

The Shake It Up star is gorgeous in green.

Thorne trades out her dresses for a stylish, white jumpsuit.

Thorne looks picture perfect for the Pitch Perfect 2 premiere.