Selena Gomez was spotted giggling backstage at Kacey Musgraves Concert in Los Angeles. See more photos of her in the slideshow.
Iggy Azalea performs live at the All Star Beach Concert at Mandalay Bay Beach. See more photos in the slideshow.
Madison Beer rocked the stage during her music concert at the Islington Academy in London. Check out more pictures of her at the show.
Demi Lovato did a rocking concert during her "Tell Me That You Love Me" tour in New York.
Jennifer Lopez gave a rocking performance at the DIRECTV NOW Super Saturday Night Concert 2018.