Khloe Kardashian purchased musician Justin Bieber's 6-bed, 7-bath, 9,214 sq ft home for $7.2M on March 6th, 2014. Bieber had purchased the home from Eddie Murphy's ex-wife, Nicole in April of 2012 for $6.5M.
http://www.tmz.com/2014/03/06/khloe-kardashian-justin-bieber-buys-house-calabasas-mansion/
http://realestalker.blogspot.de/2014/03/word-on-celebrity-real-estate-street.html