Alex Russo's style has developed and changed a lot over the years.
Season One[]
In Season One, Alex's style is tomboy with a girly side. Her usual outfits were layered tops, skinny jeans or skirts, and a pair of Converse.

Clothes[]
Alex usually wears multiple layers of shirts, either a long sleeved shirt with a tank top or a t-shirt. She wears a variety of bottoms, which changes length and/or type in each episode. If she wears a skirt, she would pair them off with colorful tights or leggings underneath. Occasionally, she wears graphic hoodies.
Shoes[]
In the first season, Alex always wears high tops, usually Converse, or leather boots. Sometimes, she wears calf-high Converse. In Quinceañera, she is showed hating to wear high heels, but in Season 3 and 4 she normally wears heels.
Accessories[]
Funky hats were the main accessory of this season. Alex wears nature-like necklaces (trees, flowers, etc.), knitted gloves, studded belts and bracelets, knee-high socks, and colorful hair extensions.
Season Two[]
In the second season, Alex updates her looks by wearing cardigans, vests, boots, and scarves. Her style is still tomboy, but more edgy.

Clothes[]
She wears skinny jeans or skirts with leggings/tights underneath. Alex wears plenty of graphic t-shirts throughout the season. Also, she wears cardigans or vests. Sometimes, she wears dresses with a long-sleeved shirt underneath.
Shoes[]
Alex wears brown (or black) boots, where she keeps her wand. Sometimes, she wore colorful Converse with decorated laces.
Accessories[]
In nearly every episode, Alex wears an accessory with a peace sign such as necklaces, scarves, or rings. When she wears a cardigan, she usually accessorizes with a belt.
Season Three[]
In season three, Alex changes her style considerably. Her outfits became more feminine and sophisticated.

Clothes[]
She usually wears skinny jeans, long sleeved blouses, with the sleeves ruffled or lose by the end. Or sleeveless dresses, with a tank top or a shirt. Ripped jeans seem to be prominent in this season. Like season two, she still wears cardigans.
Shoes[]
Unlike season one and two, Alex started to wear heels. She wears wedges, knee-high boots, and three-inched heel boots. Occasionally she wears Converse.
Accessories[]
Like season two, she wears many scarves, necklaces, big bracelets, and rings. Sometimes, she will wear headbands.
Season Four[]
In season four, Alex's wardrobe became more relaxed and mature.

Clothing[]
Similar to season three, Alex wears ruffled shirts or tanks, laced tops, vests, and dresses. Floral became a theme of her clothing. Throughout the season, she wore many striped tops. As usual, she wore skinny jeans or jeggings.
Shoes[]
Heels and boots have become Alex's favorite footwear.
Accessories[]
Similar to season three, Alex wears scarves, belts, bracelets, and necklaces. This was the only season that she wears a headband in many episodes.