Mary Archer evidence at the High Court in a libel case brought by her husband against the "Daily Star" newspaper, which claimed Jeffrey had slept with a prostitute called Monica Coghlan. During his summing up at the end of the trial, the judge, Mr Justice Caulfield, asked: "Has she elegance? Has she fragrance? Would she have, without the strain of this trial, radiance?" In 2001, when Jeffrey Archer was accused of having committed perjury in the 1987 trial, she appeared at the Old Bailey to defend him. Jeffrey Archer was subsequently convicted and imprisoned for perjury and perverting the course of justice.
Jeffrey Archer organised a charity pop concert, starring Rod Stewart, Paul Simon, Sting and Gloria Estefan, who all performed for free. Archer claimed that his charity had raised £57,042,000, though it was later revealed that only £3 million came from the Simple Truth concert and appeal, the rest from aid projects sponsored by the British and other governments, with significant amounts pledged before the concert. The charity would later result in further controversy. Having been previously rejected, Archer was made a life peer on 27 July 1992 as Baron Archer of Weston-super-Mare, "of Mark in the County of Somerset". Prime Minister John