The world may have just learned Colin Kaepernick and Nessa said their "I do's" ... but the nuptials are nothing new, 'cause the former NFL star's wife tells us they got married "YEARS AGO!"
TMZ Sports talked to the radio and TV host this week in NYC ... just days after blasting the media for referring to her as Colin's "girlfriend," "partner," and "mother of his child" -- when she's actually wifey.
We asked Nessa when the wedding went down ('cause there isn't a photo to be found!