Originally recorded by The Royalettes (US #41/R&B #28 1965).
Other hit version by Deniece Williams (US #10/R&B #1 1982).
Also recorded by Laura Nyro & LaBelle (1971).
From the wiki: ‘It’s Gonna Take a Miracle’ is a popular song written by Teddy Randazzo (‘Goin’ Out of My Head’, ‘Hurts So Bad’), Bob Weinstein, and Lou Stallman. It was first an R&B hit in 1965 for The Royalettes, who peaked at #41 on the Billboard Hot 100 pop chart but reached the R&B Top-30. In 1971, Laura Nyro recorded the song for her album, Gonna Take a Miracle, with background vocals performed by LaBelle.
“The most successful version of the song was the 1982 remake by R&B and gospel artist Deniece Williams. Her version went to #1 on the R&B chart for two weeks and also peaked at #10 on the Hot 100.”