Madonna strikes a bum note (again)

MAdONNA, right, has got her nether regions out again for a series of snaps on Instagram. Gosh. While I am a firm believer that a woman should dress how she likes at whatever age (in her case, 63), is it wrong to wonder about the self-esteem of a woman who, now well into her seventh decade, still needs the validation of millions of strangers on social media praising her behind?