Dancing With The Stars 30 Recap: Grease Night! Tonight is Grease Night on ABC’s Dancing With The Stars. Tyra Banks hosts, while Len Goodman, Derek Hough, Bruno Tonioli and Carrie Ann Inaba judge. Olivia Newton John is also on hand as a special guest. Celebrity: Olivia Jade Claim to Fame: Influencer Pro: Val Chmerkovskiy …