From funny one-liners to sentimental messages, these birthday wishes will make your cousin’s special day shine even brighter.

(Good thing these funny happy birthday cards can get shipped straight to your front door!) Make your bestie LOL when opening her gift this year by giving her giggle-worthy happy birthday wishes to ...

Wishing you an amazing year ahead, cousin.” That, or something funny like, “I guess your birthday wish came true because you have me as a cousin.” If you grew up together in the Tumblr era ...