#18 Britney Spears
Britney Spears was detained by police in January 2008 after refusing to hand her kids over to their father, Kevin Federline, as part of a court order. She was also taken for evaluation at Cedars-Sinai Hospital in Los Angeles after suspicion arose the singer was under the influence of an unknown substance.
Spears and Federline got engaged in July 2004 and became legally married in October of that year. They had two sons, Sean Preston and Jayden James. In November 2006, Spears filed for divorce from Federline, citing irreconcilable differences. Their divorce was finalized in July 2007.