"Christina Aguilera poses in her costume alongside boyfriend Matthew Rutler at a Halloween party they hosted at her home on Saturday (October 27) in Beverly Hills, Calif.
The 31-year-old singer wore a crazy pink wig and revealing outfit while Matthew was her knight in shining armor."
(SOURCE: http://www.justjared.com/2012/10/28/christina-aguilera-halloween-party-with-matthew-rutler/)