Nina Agdal Forgot to Write a Birthday Card, So She Took Her Clothes Off Instead!

Nina Agdal bikes to the gym before her Barry’s Bootcamp workout on Sunday (September 6) in Miami, Fla.

The 23-year-old model recently posted a very sexy photo to her Instagram account, showing her nearly naked on set with birthday hats over her bare breasts.

PHOTOS: Check out the latest pics of Nina Agdal

“U gotta do what u gotta do when its someones birthday on set and u forgot to write a card,” Nina posted on her Instagram account.

See the very sexy snap in full below…