Lady Gaga performed in San Francisco, honoring Ozzy Osbourne with a T-shirt tribute and a high-energy concert.

With cotton candy shoes, era-defining hits and a wink to the past, Perry’s San Francisco show was both a celebration and a ...

Some people won records during the themed ride, and Caltrain staff handed out fans that said "Go Gaga, Go Caltrain." ...

Katy Perry's butterfly prop malfunctioned during her San Francisco concert at Chase Center, nearly sending the pop star ...

Coach Steve Kerr, left, and Kevin Durant speak at the groundbreaking event for the Golden State Warriors' new home, Chase Center, in San Francisco, Calif., on Tuesday, Jan. 17, 2017.

The Chase Center Plaza and the future home of Golden State Warriors is under construction and is expected to open for the 2019-20 season in San Francisco, Calif., on Wednesday, Aug. 22, 2018.

The Warriors will welcome back their faithful — about 6,300 of them — to the Chase Center next Friday for the first time in more than a year.

The Chase Center is a year-round destination with 100,000 square feet of retail space, 3.2 acres of plazas/public open space with adjacent offices buildings, art installations and other features.