Caitlyn and Kris Jenner might be the friendliest exes in Hollywood.

The proud parents reunited at the Victoria's Secret Fashion Show in New York on Tuesday to support their daughter Kendall Jenner, 20, who dazzled on the runway as one of the show's newcomers.

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An eyewitness tells ET that Caitlyn and Kris' reunion came during the second show and that they did a whole photo op in the first row.

We're told that Caitlyn ran to Kris with open arms and they chatted for a while as photographers captured the moment.

According to our eyewitness, Kris' reaction to seeing Caitlyn was "celebratory," and that they were both excited to see each other.

Kris attended the event with her new flame, Corey Gamble, who was not a part of the reunion.

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The estranged couple rivaled the runway models when it came to fashion on the night. Caitlyn donned a black dress with sheer arms, while Kris opted for a high-neck sparkly dress.

The 2015 Victoria's Secret Fashion Show airs Tuesday, Dec. 8 on CBS. Check out the video below for a behind-the-scenes look at how the show was cast.