
Nicole -- a former Playboy Playmate of the Year -- didn't expand on the severity of the situation on her way in to Colony nightclub last night ... but told us, "I'm not going to let anything stop me from going to my friend's birthday party."

It's called 'Basal Cell Carcinoma'. It's the only type of cancer that is not malignant, and they freeze it off just like they freeze off a wart or a mole. She sounds all bad @$$ with her "I'm not going to let anything stop me from going to my friend's birthday party.", like she just had a cancer-related surgery and then loyally went to her friend's party. Wrong. It was just a line to make her look good.
Britney Spears might miss a lot more 'X Factor' auditions ... because she can! Simon Cowell gave Brit damn near free reign in order to sign the pop star to that $15 million deal -- but is it backfiring? We'll tell you what peeps on the set are saying.Plus, Chris Jericho's…