Jennifer Aniston has proved she is serious about her latest boyfriend John Mayer - she has introduced him to best friend Courteney Cox.
The pair - who are yet to confirm they are dating - has been photographed regularly together since April (08), and most recently during a romantic weekend in Miami, Florida.
And on Sunday (01Jun08), the couple was spotted visiting Aniston's pal Cox and her husband David Arquette at their new home in Malibu, California.
Aniston, 39, and Mayer, 30, cuddled on the Arquettes' deck as they watched the sunset, reports People.com.