Don't know if it's the "real" reason, or it's just being used as an excuse for the predictions being wrong , but...
Beth Chapman apparently can't get a visa to take part in CBB.
http://www.msn.com/en-gb/enter...r-BBuZ2qL?li=BBoPWjQ
"The 48-year-old blonde beauty - the wife of American crime fighting star Duane Lee 'Dog' Chapman - has reportedly been pulled from summer series' line-up after she was denied entry into the UK due to her historical criminal record."