Guardian Music — The former American Idol runner-up seems destined for ubiquity with this Bruno Mars-penned, Dr Luke-produced bangerWith album sales dwindling on both sides of the Atlantic it's becoming increasingly important to get the first single right, no matter ... more info

The Newsroom — The day's top showbiz news and headlines including "Men in Black 3" takes out "The Avengers" at box office, Madonna does Lady Gaga at rehearsals, and Justin Bieber is investigated for an altercation. more info

USA Today Music — Check out tour rehearsal video of Madonna singing 'Express Yourself' with a bit of Gaga's 'Born This Way' thrown in. more info

ContactMusic — Oh no Madonna and Lady Gaga could be locking horns again Or they could not You see its really hard to tell from both camps what their respective views on each other are Madonna no doubt feels that Gaga has stolen to some extent some of the aesthetic ... more info

Pop Crunch — Gaga vs. Grandma: The Saga Continues… Madonna will perform a mashup of her 1989 anthem “Express Yourself” and Lady Gaga’s blockbuster smash “Born This Way” during her upcoming MDNA Tour. [...] more info

Kings of A&R — Madonna mocks Lady Gaga and covers Born This Way mashing it up with Express Yourself. “Here’s an interesting way to throw shade: months after referring to Lady Gaga’s single “Born This Way” as “reductive” of her own work, Madonna was ca... more info

411 Mania — One of them by Lady Gaga... more info

Guardian Music — This French whiz-kid, still only 17, is poised to become the David Guetta it's OK to likeHometown: Nantes, France.The lineup: Hugo Pierre Leclercq (music, production).The background: Madeon is another of those hot new DJs/producers with a tendency to... more info

Starpulse — Lady Gaga was scheduled to perform in Jakarta, Indonesia, on June 3, but police recommended she be denied a performance permit. Officials were pressured by conservative campaigners, who are opposed... more info

Guardian Music — The singer's first performance since the birth of her baby involved a lot of costume changes (naturally)Ok, so Beyonce has hardly been off stage since she was about four-years-old, but Guardian fashion still got a bit of an "ahhh" feeling when the wo... more info