Threats?
Apparently, sources "close" to the couple claimed that Priscilla threatened Elvis to go to the press about the nitty-gritty of their relationship and even press charges about him dating her as a minor. He decided to marry her.
Getting Right To It
The couple had the wedding of the decade. Nine months later, Lisa Marie was born. Apparently, the couple claimed that they "waited" to be together until marriage. Many people, fans and haters alike, debate whether that is true or not.