FIERY Lady Gaga has rejected Madonna’s offer to end their feud. Madge, 54, invited the star, 26, to end their spat by appearing with her at a concert in New York. But Gaga refused to bury the hatchet, claiming she was too busy touring. Lady Gaga’s manager Vincent Herbert said: “Madonna called to ask Gaga to perform with her at the Yankee Stadium. “Her manager reached out to us and said Madonna would like Gaga to perform with her.” He tried to play down her decision to snub Madonna, adding: “She said: ‘If we do it, let’s donate the money to charity’ but Gaga’s committed to her own tour.” They have been at loggerheads since Madonna claimed Born This Way was a rip-off of her 1989 hit Express Yourself. Madge then claimed that she “helped to write” the Gaga hit. Meanwhile, Gaga is planning to front an album with jazz star Tony Bennett. Bennett, 86, said: “She called me from New Zealand and said: ‘I want to do a jazz album with you,’ and I said: ‘You got it.’” ...