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Costumes / Dress-up

A Mighty Girl's costume collection features hundreds of fun and empowering costumes for Halloween or dress-up play anytime of year. For spooky or Halloween-themed Mighty Girl books and movies, visit our Halloween special feature for a wide array of bewitching selections!
1–36 of 735 items
  1. Deluxe Hermione Granger Costume Set Deluxe Hermione Granger Costume Set
    $22.59 A$42.46 £94.00
  2. Katherine Johnson Costume Katherine Johnson Costume
    $24.04 A$67.88
  3. Susan B. Anthony / Harriet Tubman Child Costume Susan B. Anthony / Harriet Tubman Child Costume
    $33.95 C$42.33 A$68.12 £71.25
  4. Suffragist Costume Suffragist Costume
    $49.99
  5. Luna Lovegood Costume Set Luna Lovegood Costume Set
    $32.99 C$41.51 A$83.32 £65.50
  6. NASA Astronaut / Sally Ride Costume NASA Astronaut / Sally Ride Costume
    $29.46 C$49.99 A$75.52
  7. Mermaid Costume Mermaid Costume
    $14.56 C$26.00 A$47.97
  8. Deluxe Amelia Earhart Costume Deluxe Amelia Earhart Costume
    $29.99
  9. Frida Kahlo Costume Frida Kahlo Costume
    $50.98 A$87.24
  10. Wednesday Addams (Nevermore Academy) Teen / Adult Costume Wednesday Addams (Nevermore Academy) Teen / Adult Costume
    $39.99 C$69.16 A$94.84 £43.97
  11. Noble Knight Costume Noble Knight Costume
    A$70.18 £81.99
  12. Ursula (The Little Mermaid 2023) Costume Ursula (The Little Mermaid 2023) Costume
    $26.19 C$60.84 A$73.38
  13. Arwen (Lord of the Rings) Teen / Adult Costume Arwen (Lord of the Rings) Teen / Adult Costume
    $104.99 A$179.66 £108.18
  14. Girls Aren't Afraid of No Wolf Costume Girls Aren't Afraid of No Wolf Costume
    $16.93 C$80.15 A$47.79
  15. Royal Goddess Costume Royal Goddess Costume
    $19.99 C$46.01
  16. Early American Girl Costume Early American Girl Costume
    $27.14 C$44.13 A$68.64
  17. Amelia Earhart Tween Costume Amelia Earhart Tween Costume
    $44.95 C$47.68 A$63.69
  18. Rosie the Riveter Infant / Toddler Costume Rosie the Riveter Infant / Toddler Costume
    $29.99 C$38.27
  19. Robin Hood / Princess of Thieves Costume Robin Hood / Princess of Thieves Costume
    $30.70 C$81.15 A$67.85
  20. Winifred Sanderson (Hocus Pocus) Costume Winifred Sanderson (Hocus Pocus) Costume
    $44.99
  21. A League of Their Own Dottie Infant Costume A League of Their Own Dottie Infant Costume
    $29.99 C$46.01 A$50.53
  22. Korra (Avatar: The Legend of Korra) Teen / Adult Costume Korra (Avatar: The Legend of Korra) Teen / Adult Costume
    $38.97 C$35.96 A$79.85 £80.39
  23. Annie Oakley Costume Annie Oakley Costume
    $31.33 C$42.00 A$69.15
  24. Rosie the Riveter Kids Costume Rosie the Riveter Kids Costume
    $39.64 A$100.45 £94.63
  25. Bluey Infant / Toddler Costume Bluey Infant / Toddler Costume
    $74.79
  26. Nevermore Academy (Wednesday Addams) School Uniform Nevermore Academy (Wednesday Addams) School Uniform
    $34.33 C$94.57 A$73.94 £26.99
  27. Binx (Hocus Pocus) Teen / Adult Costume Binx (Hocus Pocus) Teen / Adult Costume
    $44.99 C$53.69 A$102.35 £52.62
  28. Toph Beifong (Avatar: The Last Airbender) Teen / Adult Costume Toph Beifong (Avatar: The Last Airbender) Teen / Adult Costume
    $34.67 C$47.22 A$87.55 £44.04
  29. Dark Majesty Costume Dark Majesty Costume
    $27.40 C$173.90 A$77.36
  30. Greek Goddess Costume Greek Goddess Costume
    $24.24
  31. A League of Their Own Youth Costume A League of Their Own Youth Costume
    $39.99 C$100.12
  32. Mystical Forest Fairy Costume Mystical Forest Fairy Costume
    $44.99 A$90.36
  33. Ahsoka Tano Costume Ahsoka Tano Costume
    $34.18 A$80.48
  34. Korra (Avatar: The Legend of Korra) Costume Korra (Avatar: The Legend of Korra) Costume
    $19.99 C$59.58 A$69.18
  35. Renaissance Faire Dress Renaissance Faire Dress
    $77.94 C$75.95 A$143.23
  36. Wednesday Addams Rave'n Dance Teen/Adult Costume Wednesday Addams Rave'n Dance Teen/Adult Costume
    $39.99 C$53.55 A$96.26 £26.19
1–36 of 735 items