Joint & Sibling Invitations

Two birthdays, one brilliant party — and an invitation that covers both. Browse our collection of digital joint birthday and sibling party invitations, designed for two celebrants sharing a celebration. From adult milestone joint parties and sibling birthday designs to unicorn and dragon combos and "Double the Groove" retro themes, every template is fully editable via Corjl. Personalise online, download instantly, and share digitally or print at home.

Sharing a birthday party is a practical solution that can feel a little tricky to communicate — a joint invitation that gives equal billing to both celebrants makes all the difference. This collection covers a wide range of age combinations and styles, from elegant silver and gold adult joint parties to fun children's sibling designs and matching milestone celebrations for friends sharing a big birthday.

Every template is fully editable via Corjl with no design software required. Simply add both names, ages, and party details online, download instantly, and share digitally or print at home or at a local print shop. Most designs accommodate any age combination.

Looking for more birthday invitation collections? Browse our Adult Birthday Invitations, Unicorn Birthday Invitations, or our Dinosaur Birthday Invitations for more designs to suit every party guest of honour.

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