ContactMusic — Queen of pop Madonna was spotted breaking into Lady Gagas Born This Way midway through her own tune Express Yourself during a rehearsal seemingly trying to prove how similar the songs sound A video was shot showing the apparent dig at the quirky P... 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

Perez Hilton — Madonna is no stranger to controversy and is once again ready to embrace it as she prepares to launch her MDNA tour. The Queen of Pop pissed off British anti-violence group Mothers Against Murder And Aggression in 2008 when she wore a pair of Chanel ... 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

411 Mania — The start date is getting closer... more info

Perez Hilton — All hail the Queen!!! Madonna is in top form as she prepares for the exquisite MDNA tour! Werkin' that stage like the glitzy goddess she is, Tel Aviv is about to have their minds BLOWN this Thursday night!! And we cannot wait to see it all go down... 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

ContactMusic — Madonna looks set to acknowledge the similarities between Lady Gagas hit Born This Way and her track Express Yourself during her upcoming world tour - she has been caught on camera performing a medley of the tunes at rehearsals The pop superstars Mdn... 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