TMZ Live: Arquette, Grigorieva, and Christina Aguilera

10/12/2010 2:00 PM PDT BY TMZ STAFF
We took your questions on everything -- including David Arquette and Courteney Cox's separation, Oksana Grigorieva's connection to Gloria Allred, and Laura Dern and Ben Harper divorcing.

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Plus: Christina Aguilera also splitting with her man.