Artoria Pendragon Lancer, from Fate Grand order.
Like always, you can combine stuff like you want, I just leave here the combinations for main costumes.
Lion King
long hair, blonde hair, yellow eyes, sidelocks, single hair bun, french braid, crown, blue dress, armor, plate armor, gauntlets, greaves, thighhighs, white cape, fur-trimmed cape
2nd Ascension
long hair, blonde hair, green eyes, sidelocks, single hair bun, french braid, crown, leotard, armor, cleavage, thighhighs, elbow gloves, gauntlets, greaves, red cape, fur-trimmed cape,
2nd Ascension B
long hair, blonde hair, green eyes, sidelocks, single hair bun, french braid, crown, leotard, cleavage, thighhighs, elbow gloves
Formal CE
long hair, blonde hair, green eyes, sidelocks, single hair bun, french braid, military uniform, white cape. gloves, thighhighs
Bussiness Suit
long hair, blonde hair, green eyes, sidelocks, single hair bun, french braid, necktie, black jacket, black pants, white cape, fur-trimed cape
Swimsuit:
long hair, blonde hair, green eyes, sidelocks, single hair bun, french braid, one-piece swimsuit, hat, see-through, coat, coat on shoulders
Bunny:
long hair, blonde hair, green eyes, sidelocks, ponytail, playboy bunny, rabbit ears, wrist cuffs, blue pantyhose, netfish pantyhose, fur trim, high heels