The dress Marilyn Monroe wore when she sang, 'Happy Birthday,' to President John F. Kennedy, on May 19th, 1962, at New York's Madison Square Garden. The dress, designed by Jean Louis, was made Marilyn Monroe: Intrigue at the Gala LIFE Mr. President the late Marilyn Monroe. With those teasing words, actor Peter Lawford introduced Marilyn Monroe at President John F. Kennedy's birthday celebration on May 19, 1962, at Madison Square 100th birthday, Heritage Auctions is debuting a treasure trove of Marilyn Monroe's personal artifacts. The auction features a collection of the actress's belongings ranging from clothing and accessories to original artwork Past Prologue: Histories