She has also sung with The Seekers, first taking the place of Judith Durham as the lead vocalist in the song "The Carnival Is Over" for the Closing Ceremony of Expo '88. Later, Anthony became a member of the group with Bruce Woodley, Athol Guy and Keith Potger.
At midnight on the night of 1 January 1988, in celebration of the start of Australia's Bicentennial year, Anthony sang the Australian National Anthem "Advance Australia Fair" on the national broadcaster, the Australian Broadcasting Corporation, which continued to show the recording of her performance at the close of broadcasting for many years afterwards, until the broadcaster introduced 24 hour broadcasting.
Anthony is amongst the most awarded of Australian entertainers. She was made an Officer of the Order of the British Empire (O.B.E.) (1980) and a Member of the Order of Australia (A.M.) (1989) and has been voted by her peers as "Entertainer of the Year" 3 times and "Best Female vocalist" 11 times.