Editors' pick

Rihanna, A$AP Rocky

Please note: This event has already occurred.
Say what you will about Rihanna's helter-skelter personal life. There's no denying that Bad Gal RiRi is the reigning leather-clad queen of dance-floor anthems, from her first foray onto the charts in 2006 with "SOS," through collaborations with Kanye West and Eminem to the remarkably vulnerable "Stay," which this week became the pop singer's 10th No.1 single. Hear them all on Monday at Verizon Center, when the captivating singer and fashion icon takes the stage with her Diamonds tour, a risque show split into six "acts."