Madonna has finally expressed herself about Lady Gaga’s smash single “Born This Way” — nearly a year after the world deemed the disco anthem a knockoff of Madge’s 1989 chart-topper “Express Yourself.” ...

Here is everything we know about Lady Gaga and Madonna's public rivalry, from initial disagreements to reconciliation.

(CNN) — They say imitation is the greatest form of flattery, but Madonna’s recent cover of Lady Gaga’s “Born This Way” might not be seen as such. While rehearsing for her M.D.N.A. tour, the Material ...