Katy Perry has been bounced out of Ball Arena this week as the Denver Nuggets battle the Oklahoma City Thunder in the NBA Western Conference Semifinals.

The Grammy-nominated pop star just launched the first U.S. leg of her new "The Lifetimes Tour" May 7 in Houston and now is playing OKC for her first time.

One half of the Western Conference semifinals is now set. It'll be Shai Gilgeous-Alexander and the Oklahoma City Thunder against Nikola Jokic and the Denver Nuggets in the second round of the NBA Playoffs. The NBA script delivered. No better follow for the ...

Shai Gilgeous-Alexander scored 31 points, and the Oklahoma City Thunder beat the Denver Nuggets 112-105 on Tuesday night to go up 3-2 in their Western Conference semifinal series.

The Thunder hit the pause button on all the postseason script-flipping to remind everyone it’s their team who are the scariest of them all.

The Denver Nuggets and Katy Perry were both set to use the downtown arena Thursday night -- the Nuggets for Game 6 of the Western Conference Semifinals versus the Oklahoma City Thunder, and Perry for the Denver stop of The Lifetimes Tour. Ticketmaster's website showed Tuesday that Perry's concert has been rescheduled to July 10.