Realitywhore
See Carnie Wilson. A person who will go on any reality show to become and/or stay famous. Someone who will do and say anything on television or through the media to achieve fame and/or keep themselves relevant. Pseudocelebrity. Famewhore. Someone whose glory days have faded, who is desperate to cling onto whatever fame/attention they can get. Usually these types lived too high when famous and are now desperate to maintain that lifestyle, even if it includes making a sad spectacle of themselves in the process.
Carnie Wilson, uber realitywhore. Has whored herself out to well over a dozen reality TV shows, several talk shows as well. Talks about intensely private things and even includes her small children in her desperation for money/attention. Will stop at nothing to not have to have a real job.