Gay icon Cher, R&B superstar Beyonce and rock group The Killers are rumored to be performing on the UK X Factor final in December.
Both the Believe and Halo singers are slated to be dueting with 16-year-old contestant Ella Henderson if she makes it through to the last night.
'It's an X Factor tradition to get great names for the final and Simon was determined to pull out all the stops,' an insider on The X Factor UK told The Mirror.
'Cher is a legend and The Killers are massive. Everyone's thrilled.'
Beyonce last appeared on the show in 2008 when she sang with winner Alexandra Burke during the grand final.
The Mirror source added: 'We are delighted to get Beyonce on the show because she is such a huge crowd pleaser and will make sure the final goes with a bang.
'Ella is the one most likely to sing with her because hearing their voices together would be just amazing.'
Earlier this week Cher was 'upset' after he comeback single Woman's World was leaked online.
The song from her 26th studio album marks the singer's return to pop music after a 12-year hiatus.
Cher's last album Living Proof was in 2001 and Cher had previously told fans her new LP would be released in December.