Ariana Grande made everybody forget their problems during her performance at the iHeartRadio Ultimate Pool Party.
The pop star took the stage in a retro go-go inspired outfit to sing crowd favorites like "The Way" and "Right There."
But Ari kicked it up a notch when Iggy Azalea joined her on stage to perform their chart-topping hit "Problem."
Check out the rest of the photos from Ariana's #Ultimate Performance below!
PHOTOS: Ariana Grande Performs at the iHeartRadio Ultimate Pool Party
Photo: Brian Friedman for iHeartRadio