Colton Haynes -- Needed Weeks to Bring DDDisheveled Miss Piggy to Life (PHOTO GALLERY)

Colton Haynes went to great lengths -- 2 weeks to be exact -- to pull off botched Miss Piggy. The "Arrow" star went all out soliciting Bitemares makeup artist Erik Porn -- yup, his real name -- to apply the makeup during a 4-hour sitting.…