Celebs You Never Knew Were Born Without Limbs! (Slideshow)

Ironically known more for his chin deformity, Leno, 63, was limbless until the age of 25. He was a recipient of one of the earliest limb regenerations and developed his trademark denim shirt look in an attempt to hide scars left by the crude procedure (Leno has since had the surgeries updated by some of the finest plastic surgeons in the country but has chosen to keep his trademark chin).