The 48-year-old television personality said in an Instagram post Tuesday she will play mistress to Hiram Lodge (Consuelos) in Season 3 of The CW series.
Ripa shared a photo of herself on the Riverdale set. The picture shows the star wearing a sequin minidress and holding a riding crop.
"It's a family affair........Hiram's mistress. 23 years of auditioning for a role i was born to play. Coming soon to the @thecwriverdale," she captioned the post.
Entertainment Tonight reported Ripa's character name is Mrs. Mulwray. The character is described as an "icy," "confident and tough" femme fatale who gets caught up in a conspiracy.
Ripa previously announced Michael Consuelos, her 18-year-old son with Consuelos, will play a younger version of Hiram. Michael will guest star on Wednesday's episode.
"Congrats Michael on being cast as young Hiram Lodge on @thecwriverdale however @instasuelos and i would like to take this opportunity to remind you and your siblings that as your fiduciaries we are hereby entitled to 10% of all future earnings hereto wit, or something like that," Ripa teased on Instagram.
Riverdale stars KJ Apa, Lili Reinhart, Camila Mendes and Cole Sprouse. Marisol Nicols plays Hiram's wife, Hermione Lodge, on the show.