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Download animated GIF 
Download image Happy Birthday to My Twin Sister honor the unbreakable bond between twin sisters on your shared day
NewThe JolieCarte appInstall it on your iPhone.
NewThe JolieCarte appInstall it on your Android phone.
NewThe JolieCarte appScan this code with your phone to install it.
A birthday card for your twin sister
Sharing a birthday means sharing everything, and this free twin sister birthday card puts that unique bond front and center. The warm, playful wording is perfect for celebrating the person who has been by your side since day one. Browse more happy birthday big sister images, grab a funny big sister birthday card, or check out our funny 40th birthday sister card for milestone twins.
Special Birthday Wishes for a Special Sister · Happy Birthday, Sis — Enjoy the Ride! · Happy Birthday, Sis — Save Me a Slice! · Happy Birthday to my favorite sister! · Happy Birthday to the Best Sister Ever
NewThe JolieCarte appInstall it on your iPhone.
NewThe JolieCarte appInstall it on your Android phone.
NewThe JolieCarte appScan this code with your phone to install it.
Happy Birthday, Sis! · Special delivery of birthday wishes for a wonderful sister! · Happy Birthday to the sweetest sister! · Happy Birthday, Sis! Time to open your presents! · Happy Birthday, Sis!