It's official! 

Jennifer Aniston and Justin Theroux finally said "I do" in front of their closest family and friends at their Bel Air home on Wednesday.  

The couple were joined by around 70 guests at the celebration, which took place in their massive backyard. The couple decked out the area with a large wooden stage, a giant bar, numerous tables and lights, in pictures obtained by TMZ

Sources close to the couple tell the site that Jen's friends thought they were attending a surprise 44th birthday party for "The Leftovers" hottie. 

Celebs like Ellen DeGeneres, Chelsea Handler, Howard Stern, Sia, Lisa Kudrow and John Krasinski were also on-hand for the festivities. 

The actor proposed to the "Friends" alum on his birthday in 2012 and the cute couple first met on the set of "Tropic Thunder" in 2008. 

Congrats to the happy couple! 

Are you surprised by the wedding news? Sound off below and check out TMZ.com to see all the pictures from the special night! 

Plus, click "Launch Gallery" above to see even more extravagant celebrity weddings! 

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