I know it's been one million years since Colton Underwood's season of The Bachelor aired, but remember how Caelynn Miller-Keyes and Hannah Brown didn't get along? As a reminder, Caelynn and Hannah used to be friends thanks to competing in Miss USA. But things got tense before they both showed up on Colton's season, and while their drama was definitely part of the season, we didn't get any firm details. Until now, thanks to Colton spilling tea in his new memoir .