THE BILLIE EILISH ADVENT CALENDAR
24 doors. 24 surprises. The ultimate holiday countdown for every Billie fan.
Shop Now →LIMITED EDITION ADVENT CALENDARS
🎄
24 DAYS OF BILLIE SURPRISES
🎄
FREE SHIPPING WORLDWIDE
🎄
THE PERFECT GIFT FOR FANS
🎄
LIMITED EDITION ADVENT CALENDARS
🎄
24 DAYS OF BILLIE SURPRISES
🎄
FREE SHIPPING WORLDWIDE
🎄
THE PERFECT GIFT FOR FANS
🎄
LIMITED EDITION ADVENT CALENDARS
🎄
24 DAYS OF BILLIE SURPRISES
🎄
FREE SHIPPING WORLDWIDE
🎄
THE PERFECT GIFT FOR FANS
🎄
LIMITED EDITION ADVENT CALENDARS
🎄
24 DAYS OF BILLIE SURPRISES
🎄
FREE SHIPPING WORLDWIDE
🎄
THE PERFECT GIFT FOR FANS
🎄
Shop The Collection
Why Bad Guy Calendars
| Bad Guy Calendars | Generic Calendars | |
|---|---|---|
| 24 doors with real fan surprises inside | ||
| Bold Billie artwork covering the full box | ||
| Free shipping on every order | ||
| 30-day money-back guarantee |
How It Works
Three easy steps to start the countdown.
Choose your edition
Pick Green or Blue — both feature 24 doors of surprises with bold Billie artwork.
We ship it free
Every order ships free. Your calendar arrives in 5-7 business days, ready to gift or keep.
Open a door every day
Starting December 1st, open one door each day for a unique surprise. 24 days of Billie magic.
Fans Love It
Real fans showing off their calendars.
The Perfect Gift For
What You Can Expect
- 24 individually numbered doors with unique surprises inside each one.
- Premium thick cardboard construction with bold full-face collage artwork.
- Free shipping on every order — arrives in 5-7 business days.
- 30-day money-back guarantee. Not happy? Full refund, no questions.
- Packaged securely so it arrives in perfect condition.
What Fans Are Saying
Real fans, real reactions, real photos
FANS ARE OBSESSED ⭐
Real fans, real reactions — every time
Frequently Asked Questions
What's inside the advent calendar?
What's inside the advent calendar?
Each of the 24 doors hides a unique surprise for Billie Eilish fans. We don't want to spoil the fun — that's the whole point of an advent calendar!
What's the difference between the Green and Blue editions?
What's the difference between the Green and Blue editions?
Both calendars have 24 doors with surprises inside. The Green Edition features a neon green and black collage with Blohsh icons, while the Blue Edition has a blue monochrome design with Billie lyrics. Same countdown experience, different artwork.
How long does shipping take?
How long does shipping take?
All orders ship free. Standard delivery takes 5-7 business days within the US. We recommend ordering early to make sure it arrives before December 1st.
What if I'm not happy with my order?
What if I'm not happy with my order?
We offer a full 30-day money-back guarantee. If you're not satisfied for any reason, contact us at badguycalendars@outlook.com and we'll make it right.
Is this an official Billie Eilish product?
Is this an official Billie Eilish product?
This is a fan-made advent calendar designed for Billie Eilish fans. It is not officially licensed by or affiliated with Billie Eilish or her management.
Can I buy both editions?
Can I buy both editions?
Absolutely! Many fans grab both the Green and Blue editions — one to open and one to display. Free shipping applies to all orders regardless of quantity.
When should I order to get it before December?
When should I order to get it before December?
We recommend ordering by mid-November to ensure delivery before December 1st. Shipping takes 5-7 business days.