After jetting out of LAX on Tuesday, Brad Pitt arrived home on Saturday, and not only was he in a great mood, but he also showed off the personalized necklace that lady love Angelina Jolie recently gave him.

Jolie reportedly commissioned London-based jeweller Robert Procop to make a diamond pendant for Pitt, and get this -- it has a secret and sexy message engraved on the inside. Procop, who is reportedly working on a jewelry line with Jolie, told the Daily Mail, "I can’t tell you what it says, and you would need a microscope to read it."

Click after the jump for a closer look at Brad's new bling!