Kendall and Kylie Jenner on Kim and Kanye's Wedding: 'You Can Never Outdo Kanye'

"Extra's" AJ Calloway was with Kendall and Kylie Jenner chatting about their new sci-fi novel, "Rebels: City of Indra" as they promoted it at a book singing in New Jersey. The two also dished on Kim Kardashian and Kanye West's recent wedding.

The Latest