The Shark Tank is the place to catch some of the biggest pop hits of 2017 this Friday and Saturday night, as back-to-back concerts bring Demi Lovato, Nick Jonas, Taylor Swift, The Chainsmokers and Ed Sheeran through town.

First up, on Friday, Dec. 1, the SAP Center hosts Wild 94.9’s Jingle Ball, headlined by Lovato and Jonas—along with Halsey, Charlie Puth, Camila Cabello, and more.

Lovato absolutely dominated airwaves this summer with her unapologetically catchy “Sorry Not Sorry,” and Jonas has been helping the country chill out this fall with his laid-back love jam “Find You.”

Then, on Saturday, Dec. 2, 99.7 Now! gets in on the action with its Poptopia festival—topped by Swift, The Chainsmokers and Sheeran, and featuring Khalid, Logic and others.

Swift, of course, needs no introduction. The great white queen of pop recently released her latest LP, Reputation. EDM and pop production duo The Chainsmokers are close to wrapping up a massive year, which saw the release of their first full-length studio effort, Memories… Do Not Open. And pop music’s favorite tattooed ginger, Sheeran, has locked down the charts since the beginning of the year with his hit single “Shape of You.”

Just in case you’ve been living under a rock for the past 12 months, you’ll find a nice YouTube primer below. Make sure to re-up on those Dr. Scholl’s inserts. It’s shaping up to be a serious dance party in the 408 this weekend.