Ariana Grande and Jennifer Lopez both performed during New York radio station 103.5 KTU's KTUphoria concert held at the Meadowlands across the Hudson River in New Jersey on Sunday night.
The two stars weren't the only ones who performed, DJ Calvin Harris and EDM stars Cash Cash were also on hand for performances.
Lopez began her weekend in Miami, Florida, where she performed Saturday night during the iHeartRadio Ultimate Pool Party at Miami's Fountainbleau hotel.
The stars came out for this year's BET Awards, which were held Sunday night at the Nokia Theatre in Los Angeles, and new mom Kerry Washington was a hit on the red carpet, wearing a gorgeous floral print mini-dress.
See these photos and lots more in the player above!
Want more? Head over to our PHOTOS page to see all the latest event galleries, slideshows and features, including model Emily Ratajkowski's scorching hot GQ magazine shoot.
Note: new photos are sometimes added throughout the day and the image that got you here may not be first. It's in there though.