Carrie tweeted a photo of herself with the zombie star and in it, she looked gorgeous in a sparkly black dress. Norman sported a vest and tie.
"Holy crap! I just met Norman Reedus! I think I played it pretty cool...I don't look excited in this pic at all, do I?" Carrie posted along with the pic.
"On a separate note, I was told by a very reliable source that tomorrow's @WalkingDead_AMC is an awesome one! ; )" she added.
Carrie wasn't the only one excited about the encounter, either. Norman uploaded a photo of their meeting online too. The two stars were both a part of the Krewe of Endymion Mardi Gras Parade. Carrie headlined the event, while Reedus was one of the parade's Grand Marshals. After performing, Carrie tweeted about the Mardi Gras crazyness going down there.
"This is one crazy party! #Mardi Gras," she posted along with a video showing off the insanity. She stayed in in what she called "the nosebleeds" to watch it all go down.
"Wow wow! New Orleans knows how to party right! Can't wait to come back for another Mardi Gras...thanks for letting me be a part of it!" she tweeted.
By Sunday, she was back home, enjoying a little farm time and an ice storm with her husband Mike Fisher.
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Gallery | Carrie Underwood Hits the Stage