A message on the show's official Twitter feed at around 10am this morning suggested a comeback for the ex-Pussycat Doll, though it was swiftly deleted.
"Huzzah! Nicole Scherzinger will be today's guest Judge," the message read.
"Please reply with any questions you'd like the Flackster to ask her for #XtraFactor"
Today's guest judges have already been confirmed as singers Rita Ora and Leona Lewis.
Scherzinger may be in line to guest at a future date, such as tomorrow's final London audition.
The singer was a guest judge on the UK show in 2010 and last year replaced Cheryl Cole in a permanent position on The X Factor USA.