This is a friendship that will never grow old.

Former Law & Order: SVU> co-stars and known BFFs, Mariska Hargitay and Chris Meloni, paid each other a holiday visit on Monday, which the 55-year-old actor shared on his Instagram, writing, "Friends at Xmas."

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On Dasher, on Dancer, on Stabler, on Benson!

Though Meloni left the long-running crime procedural in 2011, he and Hargitay have remained close, and never fail to be completely adorable with their impromptu friend selfies, such as this shot from Super Bowl 50.

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Guess that's what over 10 years on a TV show together will do to you!

Watch the video below for another one of the actors' amazing reunions.