Jennifer Aniston and John Mayer stepped out for their first public event as a couple, STAR reports.

Jennifer Aniston and John Mayer step out for their first public event as a couple

Jennifer Aniston and John Mayer attended the OmniPeace.com dinner at STK in Los Angeles. They shared a table with Jen's BFF Courteney Cox Arquette and her hubby David Arquette, who were celebrating their nine year anniversary.

The party — hosted by OmniPeace founder Mary Fanaro — was in honor of Jeffrey Sachs, cofounder of Millennium Promise, an organization that helps impoverished countries.

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