Katy Perry will travel across the U.S. and Canada as part of 'The Lifetimes Tour' in summer 2025. Here's how to get the best deals on tickets for every concert.

2015 — Lydia Ko, 17, becomes the youngest golfer, male or female, to be ranked No. 1. She shares second place at the LPGA Tour’s season opener, where she finishes a shot behind Na Yeon Choi.