The Love Bug at Walt Disney World in Orlando, Florida, Herbie has been immortalized in the "Love Bug" buildings 6 and 7. A West German film series of five films featuring a similar Volkswagen, called Dudu or Superbug were written and directed by as well as starring Rudolf Zehetgruber. The film was released on VHS on March 4, 1980. It was re-released on November 6, 1985, September 11, 1991 and on October 28, 1994 with "Herbie Rides Again". It was soon re-released again on September 16, 1997 along with the entire "Herbie the Love Bug" film series. It was released on DVD for
What Love Is Made Of extremely positive about "What Love Is Made Of", describing it as "darker than anything" from "On a Mission", while calling it "slinky". The reviewer went on to commend the "irresistibly pouty" chorus. Pitchfork Media's Katherine St. Asaph commented that, in the song, the singer "sound[ed] completely enthralled, by either her lover or the music" and complimented her voice, noting that it seemed "ten times bigger than before". Jordan Sargent of "Spin" magazine called the track "exuberant" and highlighted Katy's vocal performance, which he deemed "typically fantastic", while the team from pop music website Popjustice gave "What Love Is Made Of"