Aubrey O'Day and Pauly D have been fueling marriage rumors for a while now — and once again, fans are in a frenzy after seeing the singer's latest Instagram photo.

"Spoiling my hubby for his b-day," Aubrey wrote — even though the two aren't married — as far as we know!

The Jersey Shore alum celebrated his 36th birthday on July 5.

See their cutest moments in the gallery!