Conversation so far:
What did the singer, Cheryl do on The X Factor?
In 2014, the singer, Cheryl returned as a judge on the UK version of The X Factor for its 11th series to replace Sharon Osbourne, signing a £1.5 million contract.

Question: How long was she a judge on the X Factor?
Self-contained rewrite: How long was the singer, Cheryl a judge on The X Factor in 2014?