The diamond-studded singer heads to the recording studio. Plus: Scarlett Johansson, Ryan Seacrest, Teri Hatcher and more

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Jennifer Aniston joins Courteney Cox on Wednesday to toast Cox's in-laws at the AFI Associates luncheon honoring the Arquette family at the Regent Beverly Wilshire Hotel in Beverly Hills. Cox has been married to David Arquette since 1999.