“The Late Late Show” host James Corden celebrated one year on the air with singer-actress Jennifer Lopez giving him some dancing tips.Lopez appeared on his Carpool Karaoke Primetime Special episode.Corden's first shared a few nicknames with Lopez. "You're JLo, I could be JCo," he suggested. "I think we should make a rap group together," Lopez said, adding that they could open for her in Las Vegas, reports hollywoodreporter.com."Yeah, but I worry about you having to follow it. I worry the audience are like, 'Aw that's a shame that he's gone'," Corden said.Lopez later taught Corden her "music video look" and showed off some contacts in her phone (Leonardo DiCaprio, Demi Lovato, Bradley Cooper and Iggy Azalea for example), or "the best phone I've ever seen in my life."Corden even texted DiCaprio as her, inconspicuously signing it "JLo, you know, from the block." They also sang "Love don't cost a thing" and "Booty", and discussed the possibility of insuring parts of Lopez's body.