Brad Pitt: Brad Grey's Wedding Guest!

Brad Pitt suits up to celebrate Paramount CEO Brad Grey’s wedding to Cassandra Huysentruyt on Saturday (April 16) in Bel-Air, Calif.

The 47-year-old actor took his rep, Cynthia Pett-Dante, as his date to the wedding.

Earlier in the week, Brad and Angelina Jolie took in a performance of God of Carnage in L.A.

FYI: The Brads teamed up back in 2002 to form Plan B, a production company, back when Pitt was married to Jennifer Aniston. After they split, Brad and Brad moved the company to Paramount Pictures.

Tom Cruise & Katie Holmes Attend Brad Grey's Wedding

Tom Cruise and Katie Holmes arrive at Paramount CEO Brad Grey’s mansion on Saturday (April 16) in Bel-Air, Calif.

The happy couple watched as Brad married his fiancee, Cassandra Huysentruyt, in a star studded ceremony.

Also in attendance was Brad Pitt, who brought his rep as his date to the wedding.

Earlier in the week, Tom and Katie arrived back in Los Angeles after spending time in New York City. Katie was spotted doing some shopping at the Marc Jacobs boutique in town and picking up fresh flowers!