Catherine O'Hara talks adorable 'Home Alone' reunion

Tuesday night, actress Catherine O'Hara shared THE MOST adorable story about running into her "Home Alone" co-star Macaulay Culkin.

"I haven't seen him for years and years. But I saw him two years ago, or a year and a half ago at a Martin Mull art opening. And he was coming in, and he went, 'Mommy!' And I said, 'Baby!'" said Catherine O'Hara on "Watch What Happens Live."

Um, are we the only ones having "Home Alone" flashbacks right about now?! (Video via 20th Century Fox / "Home Alone")

Catherine told the "Watch What Happens Live" audience her husband snapped some pics of the epic reunion, but she didn't have them on handTuesday night. Boo.

Catherine and Macaulay have run into each other just one other time since they finished filming "Home Alone 2" in 1992. (Video via 20th Century Fox / "Home Alone 2: Lost in New York")

It was at a screening for Catherine's 2010 flick "Temple Grandin." She said of the surprise encounter, "It made me want to cry, [Macaulay] has just the sweetest face."

SO. FREAKING. CUTE. Now, please excuse us while we go watch "Home Alone" about 1,000 times.

This video includes images from Getty Images.

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