Here what Twilight Sparkle looks in my headcanon!

Bio:

Species: Alicorn (Formerly Unicorn)

Gender: Female

Occupation: Princess of Friendship, 2nd Ruler of the Changeling Hive (Along with Chrysalis)

Personality: Friendly, Kind, Caring, Motherly, Sweet, Curious, Smart, Sociability, Knowledge, Sometimes Hot-headed, A Worrier (Rarely nowadays), Stressful (Formerly), Open Minded

Friends: Applejack, Apple Bloom, Fluttershy, Pinkie Pie, Rarity, Sweetie Belle, Rainbow Dash, Scootaloo, Moon Dancer, Minuette, Twinkleshine, Lemon Hearts, Bon-Bon/Sweetie Drops, Lyra Heartstrings, Discord, etc,

Enemies: Queen Chrysalis (Formerly), Queen Avia, Tirek, King Sombra (Formerly), Discord (Formerly), Spell Nexus (Formerly), Prince Blueblood, etc,

Family: Twilight Velvet and Night Light (Parents), Shining Armor (Brother), Cadance (Sister-in-law), Blueblood (Brother-in-law), Skyla (Adopted Niece), Flurry Heart (Niece), Spike (Adoptive brother), Rarity (Adoptive sister-in-law), Sweetie Belle (Adoptive sister-in-law), Cookie Crumbles and Hondo Flanks (Adoptive parents-in-law) Fleur-De-Lis (Adoptive aunt-in-law), Queen Chrysalis (Wife), Nyx (Adopted daughter), Twila (Adopted daughter), Larva (Stepdaughter), Crystal (Stepdaughter) and Queen Avia (Mother-in-law-Deceased)

Likes: Reading, Studying, Hanging out with her friends and family, Teaching friendship, Learning new things, Pampering her daughters and nieces, Taking Notes, etc.

Dislikes: Failing at friendship, losing her friends, payback tricks always backfiring, bullies, being called bossy, bad memories, ponies not understanding her, hurting her friends and family, being harassed by homophobic ponies, etc.

Note: Twilight is bisexual (Someone/somepony who likes boys and girls) in my headcanon.

Note II: The events of Season 8-9 (With the exception of The Washouts and Best Gift Ever) are not canon.

Note III: Queen Chrysalis and King Sombra are reformed in my headcanon)

Note IV: The fanfics Past Sins and Winter Bells are canon. Links: https://www.fimfiction.net/story/41596/past-sins https://www.fimfiction.net/story/71883/winter-bells