An EX-cellent reunion!

Things have really fallen into place for Jennifer Aniston after tying the knot with Justin Theroux in a secret wedding earlier this month.

And as the congrats continue to pour in for the 46-year-old newlywed, she had a very special run-in with ex Vince Vaughn, 45, at a dinner on Aug. 19 for her upcoming film, She's Funny That Way.

jennifer aniston, vince vaughn

Jen and Vince on the set of their 2006 film The Break-Up.

According to Us Weekly, the two were getting along just fine during their chat. “They were both jovial and seemed happy to see each other, both smiling,” a source tells the mag.

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“It didn’t seem weird at all, it just looked like two old friends who hadn’t seen each other for a while catching up real quick.”

Click through the gallery above for more exes who've remained friendly after their split!