We always hear about celebrities checking into rehab for their various addictions, expletive-laden tirades, or episodes of "exhaustion." Lindsay Lohan just checked in yesterday for the eighth time. Where do they disappear to while trying to get clean? Let's look.

One day, probably not any time in the immediate future, we'll look back at the period known as Britney Spears's Turbulent Quarter-Century, and chuckle. A pushing-60 Britney will by then have squandered whatever fortunes she made as an adolescent musical-sex-doll, plus any additional income amassed from her 7-year engagement at Reno's Grand Sierra Indoor Water Park Resort and Casino. That will directly lead her to a stunning rejection of everything that came before: