According to the report, Simon Cowell has ordered Benny Andersson and Bjorn Ulvaeus ABBA to perform on The X Factor.
According to the Daily Star, the 59-year-old has ensured the success of Mamma Mia's inspiration week of the show.
Source said: "Abba is one of the world's biggest bands and Benny and Bjorn on board are sure to pick up the show."
Mamma Mia's inspiration week sees all competitors performing ABBA's biggest attacks, and Bjorn is expected to reach the stage to perform on the live shows.
It's not yet known when the ABBA stars appear on the show, but the X Factor final is just around the corner as it flies on December 2.