It's becoming more and more clear that it's Halsey's world and we're just living in it, as the singer absolutely killed it on The Tonight Show Starring Jimmy Fallon.

Watch her perform “Now or Never” below!

Read more: Halsey asks Brendon Urie to explain this famous Panic! At The Disco lyric

“Now or Never” was the first single released off of Halsey's highly anticipated sophomore album, hopeless fountain kingdom. You can listen to the other single, “Eyes Closed” here.

Halsey has also announced hopeless fountain kingdom arena tour with Charlie XCX and PARTYNEXTDOOR.

hopeless fountain kingdom releases June 2 via Astralwerks.

Watch her perform “Now or Never” below!


9/29: Uncasville, CT Mohegan Sun
10/3: Montreal, QC Bell Centre
10/4: Toronto, ON Air Canada Centre
10/6: Boston, MA TD Garden
10/7: Philadelphia, PA Wells Fargo Center
10/9: Washington DC Verizon Center
10/10: Pittsburgh, PA PPG Paints Arena
10/13: Brooklyn, NY Barclays Center
10/14: Newark, NJ Prudential Center
10/17: Charlotte, NC Spectrum Center
10/19: Atlanta, GA Infinite Energy Arena
10/21: Sunrise, FL BB&T Center
10/22: Orlando, FL Amway Center
10/25: Houston, TX Toyota Center
10/26: Dallas, TX American Airlines Center
10/27: Austin, TX Frank Irwin Center
10/29: Denver, CO Pepsi Center
10/31: Phoenix, AZ: Talking Stick Resort Arena
11/3: Los Angeles, CA The Forum
11/4: Anaheim, CA: Honda Center
11/5: San Diego, CA Viejas Arena
11/7: Oakland, CA Oracle Arena
11/10: Seattle, WA Key Arena
11/11: Vancouver, BC Rogers Arena
11/14: Calgary, AB Scotiabank Saddledome
11/15: Edmonton, AB Rogers Place
11/18: Minneapolis, MN Xcel Energy Center
11/19: Chicago, IL Allstate Arena
11/21: Detroit, MI Little Caesars Arena
11/22: Cleveland, OH Wolstein Center