Officially, Brad Pitt, the one and only, is sixty years old.

Since entering the business in the late 1980s, Pitt has established himself as one of Hollywood's most illustrious actors.

This year will be no different from last year when the acclaimed actor spent his 59th birthday with Ines de Ramon.

Pitt seemed to appreciate spending his birthdays with people closest to him after 60 years.

According to a source, Pitt is thrilled about reaching this milestone.

This is his first significant relationship following his split from Angelina Jolie.

who he shares daughters Zahara, 18, Shiloh, 17, and Vivienne, 15, as well as boys Maddox, 22, Pax, 20, and Knox, 15.

According to the Source, Pitt "plans on celebrating with Ines and a couple of his kids."

His girlfriend is also celebrating this week, in addition to Pitt.

Tomorrow, December 19, the jewelry designer will celebrate her 31st birthday, an insider told OK!