In Brief: John McEnroe sells marital portrait

John McEnroe, who is currently presenting the BBC’s coverage of Wimbledon, has decided to sell a portrait that Andy Warhol made of him and his then wife, Tatum O'Neal at Sotheby's in London next week. The acrylic and silk-screen portrait, based on a Polaroid of the couple taken by Warhol himself, was purchased by the former tennis ace at a charity auction for approximately $30,000 in 1986. The work is now expected to fetch up to $687,000. The sale could be significant in personal terms: McEnroe is said to have been dismayed by the arrest of O'Neal for possession of crack cocaine in New York two months ago…Nelson Mandela will celebrate his 90th birthday in London next Wednesday at a charity dinner held in Hyde Park. Celebrity c*** chef Gordon "fucking" Ramsey is preparing the banquet for the 500 guests including Sir Elton John who will serenade the former ANC leader and South African president with Happy Birthday. Mandela's personal vision for world peace, written especially for the dinner, will be auctioned for a six figure sum in front of an audience including Bill Clinton, the actor Will Smith, Oprah Winfrey, and Gordon Brown...The former long-term boyfriend of Hollywood actress Anne Hathaway, Raffaello Follieri, 29, has been arrested on suspicion of running a property investment scam in which he pretended to be a representative of the Vatican to con wealthy investors out of millions of dollars...Joss Stone, the twenty-one year-old singer, paid herself £2.2m last year...Friends of the disgraced athlete Linford Christie – he was banned from running for two years after testing positive for drugs in 1999 – are said to be furious about his exclusion from a list of Britain’s top six Olympians. They claim that the British Olympic Association (BOA) influenced a public opinion poll to keep him off. So now, unlike Dame Kelly Holmes and Sir Steve Redgrave, he will not appear on the National Lottery’s 2012 Olympic scratch cards… Dame Judi Dench, 73, has been made a Doctor of Letters by St Andrews University…Heather Locklear, the actress best known for starring in Dynasty and Melrose Place, has checked into a clinic in Arizona that treats depression…