"infamous affair" is correct and usable in written English.
It can be used to refer to a highly publicised relationship, especially a scandalous one, between two people who are either famous or related in some way. For example: "The infamous affair between the movie star and the politician caused a huge scandal and dominated the headlines for weeks."
He was long assumed to have been the son of Rosamond, with whom Henry II had an infamous affair.
Within 10 minutes, Fisher, who would become one of Hollywood's consummate memoirists, was telling him such intimate details about her father Eddie Fisher's infamous affair with Elizabeth Taylor that Hamill felt the hairs on his arms stand up.
Bebe Buell, a somewhat infamous rockers' consort, with whom he had a somewhat infamous affair, in the late seventies and early eighties, has claimed that many of his songs are about her — although the composition of some of them, Costello says, predates his even meeting her.
And his infamous affair with young White House intern Monica Lewinsky was caused by 'old demons' from his youth that have haunted him all his life, the former President reveals in copies of his long-awaited autobiography, My Life, that began circulating yesterday, two days before the official publication date.
Bebe Buell, a somewhat infamous rockers' consort, with whom he had a somewhat infamous affair, in the late seventies and early eighties, has claimed that many of his songs are about her although the composition of some of them, Costello says, predates his even meeting her.
In "The Great Charles Dickens Scandal" (Yale University Press), by Michael Slater, out November 13th, longtime Dickens scholar Michael Slater delves into the story of Dickens's infamous affair with the young actress Ellen Ternan, and the multi-generational scandal that followed it.
She would remain silent until the late 1990s, when federal prosecutors were investigating Clinton's personal history as part of the inquiry that exposed his now-infamous affair with Monica Lewinsky, a former White House intern.
The 32-year-old Birmingham City midfielder was banished from the national team during George Burley's tenure for his role in the infamous "Boozegate" affair.
Only a game earlier Watson had been suspended for his role in the now infamous "Homework" affair and returned home to attend the birth of his first child.
At the height of the infamous political affair when Basil D'Oliveira was, disgracefully, not picked for a tour of his native South Africa, it was Graveney who comforted his county colleague.
In 1784 he witnessed most stages of the infamous Diamond Necklace affair, from which, despite her innocence, she emerged so thoroughly detested that she could barely leave the palace anymore.
