Why 'Jersey Shore: Family Vacation' Star Pauly D Only Follows Ellen DeGeneres on Instagram (Exclusive)
Behind the Scenes of 'Jersey Shore Family Vacation'

And watching the rest of the cast discover Pauly doesn't follow them is priceless.

DJ Pauly D may have over 2 million Instagram followers, but he's only returned the favor to one lucky lady: Ellen DeGeneres.

And when the DJ's "Jersey Shore: Family Vacation" castmates found out, they were not too pleased.

Ronnie Ortiz-Magro, Nicole "Snooki" LaValle, Mike "The Situation" Sorrentino, Jenni "JWoww" Farley, Vinny Guadagnino and Deena Cortese were shooting an upcoming episode of "TooFab's On the Rocks" when we asked Pauly about his singular follow.

"Wait, you only follow Ellen DeGeneres?" Vinny asked. "That's so weird!" Snooki said. "That's rude!" Deena added.

"You guys just noticed now?!" Pauly replied, explaining that he's "all about positivity" and loves Ellen's motto: "Be kind to one another."

"I'm gonna follow my wife one day...but I don't have one," he added.

The group's reaction to the news is purely priceless -- and also proves they haven't missed a beat since their crazy days on the Shore.

Watch them take over Miami when "Jersey Shore: Family Vacation" premieres Thursday, April 5 on MTV.

It's T-shirt Time Instagram 'Jersey Shore Family Vacation' Cast Gives Us Life as Filming Wraps

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