Jennifer Aniston's Beverly Hills Hangout

John Mayer and Jennifer Aniston are spotted arriving at a friend’s house in Beverly Hills on Monday.

Jennifer Aniston is reportedly signed up to appear on the Stand Up To Cancer telethon in September.

Stand Up to Cancer is a program of the Entertainment Industry Foundation, and it is aimed at raising money to speed up cancer research and bring new therapies to patients more quickly. Scarlett Johansson, Charlize Theron, Meryl Streep, and David Cook are also scheduled to appear on the telethon.

The mega fundraiser will be simultaneously broadcast live and commercial-free on ABC, CBS and NBC on September 5.

10+ more pics inside of Jennifer Aniston‘s Beverly Hills hangout…