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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
    $22.99 A$40.69 £54.00
  2. Katherine Johnson Costume Katherine Johnson Costume
    $37.29 A$69.46
  3. Susan B. Anthony / Harriet Tubman Child Costume Susan B. Anthony / Harriet Tubman Child Costume
    $30.09 C$41.44 A$68.18 £35.52
  4. Suffragist Costume Suffragist Costume
    $62.88 A$75.59 £28.87
  5. Luna Lovegood Costume Set Luna Lovegood Costume Set
    $32.99 C$37.91 A$83.47 £69.52
  6. NASA Astronaut / Sally Ride Costume NASA Astronaut / Sally Ride Costume
    $28.80 C$49.99 A$52.95
  7. Mermaid Costume Mermaid Costume
    $14.81 C$26.15 A$47.95
  8. Deluxe Amelia Earhart Costume Deluxe Amelia Earhart Costume
    $43.99
  9. Frida Kahlo Costume Frida Kahlo Costume
    $50.98
  10. Wednesday Addams (Nevermore Academy) Teen / Adult Costume Wednesday Addams (Nevermore Academy) Teen / Adult Costume
    $39.99 C$69.19 A$93.58 £45.04
  11. Noble Knight Costume Noble Knight Costume
    A$49.95 £81.99
  12. Ursula (The Little Mermaid 2023) Costume Ursula (The Little Mermaid 2023) Costume
    $25.31 C$60.78 A$73.40
  13. Arwen (Lord of the Rings) Teen / Adult Costume Arwen (Lord of the Rings) Teen / Adult Costume
    $104.99 A$179.72 £108.25
  14. Girls Aren't Afraid of No Wolf Costume Girls Aren't Afraid of No Wolf Costume
    $18.63 C$98.97 A$49.95
  15. Royal Goddess Costume Royal Goddess Costume
    $21.99 C$50.62
  16. Early American Girl Costume Early American Girl Costume
    $26.92 C$43.87 A$49.95
  17. Amelia Earhart Tween Costume Amelia Earhart Tween Costume
    $28.88 C$47.69 A$76.89
  18. Rosie the Riveter Infant / Toddler Costume Rosie the Riveter Infant / Toddler Costume
    $32.99 C$42.13
  19. Robin Hood / Princess of Thieves Costume Robin Hood / Princess of Thieves Costume
    $21.81 C$100.65 A$55.95
  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
    $32.99 C$50.57 A$55.69
  22. Korra (Avatar: The Legend of Korra) Teen / Adult Costume Korra (Avatar: The Legend of Korra) Teen / Adult Costume
    $38.97 C$38.41 A$79.75 £42.61
  23. Annie Oakley Costume Annie Oakley Costume
    $24.99 A$48.95
  24. Rosie the Riveter Kids Costume Rosie the Riveter Kids Costume
    $41.00 A$102.40 £78.95
  25. Bluey Infant / Toddler Costume Bluey Infant / Toddler Costume
    $69.98 A$136.74
  26. Nevermore Academy (Wednesday Addams) School Uniform Nevermore Academy (Wednesday Addams) School Uniform
    $34.49 C$96.23 A$63.00 £27.00
  27. Binx (Hocus Pocus) Teen / Adult Costume Binx (Hocus Pocus) Teen / Adult Costume
    $44.99 C$53.69 A$102.38 £54.22
  28. Toph Beifong (Avatar: The Last Airbender) Teen / Adult Costume Toph Beifong (Avatar: The Last Airbender) Teen / Adult Costume
    $34.61 C$42.67 A$88.67 £44.72
  29. Dark Majesty Costume Dark Majesty Costume
    $21.59 C$173.26 A$60.97
  30. Greek Goddess Costume Greek Goddess Costume
    $29.99
  31. A League of Their Own Youth Costume A League of Their Own Youth Costume
    $43.99 C$100.12
  32. Mystical Forest Fairy Costume Mystical Forest Fairy Costume
    $44.99 A$91.87
  33. Ahsoka Tano Costume Ahsoka Tano Costume
    $34.18 C$69.99 A$80.90
  34. Korra (Avatar: The Legend of Korra) Costume Korra (Avatar: The Legend of Korra) Costume
    $19.95 C$59.27 A$70.41
  35. Renaissance Faire Dress Renaissance Faire Dress
    $69.39 C$75.95 A$84.95
  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 £40.12
1–36 of 735 items