A planned duet between country star Chris Stapleton and his wife Morgane was scrapped just moments before the Academy of Country Music Awards started on Sunday night in Nashville.

Morgane Stapleton, 38, was supposed perform Maggie's Song with her 43-year-old husband on Sunday night's awards show, but she pulled out due to a, 'prior doula commitment,' according to People.  

In Morgane's stead, Miranda Lambert stepped in at the last minute to sing the duet with Stapleton.

Taking over: In Morgane's stead, Miranda Lambert stepped in at the last minute to sing the duet with Stapleton.

'Due to her prior doula commitment, Morgane Stapleton is unable to join Chris Stapleton at the Bluebird as scheduled,' read a statement from the ACM.

'Miranda Lambert will instead take the Bluebird stage with Chris tonight for "Maggie's Song,"' the statement concluded.

The late addition of Lambert meant that she will perform three separate times during the ACM Awards on Sunday night.Miranda and Chris: 'Miranda Lambert will instead take the Bluebird stage with Chris tonight for "Maggie's Song,"' the statement concluded