It's not every day that two mid-2000s pop icons reunite to give the internet a message, but May 3, 2019, was not just any day.

Paris Hilton and Kim Kardashian West tweeted the surprise with the hashtag #SecretProject:

Hilton and West, both 38, ask "you guys know what we're doing today?"

"It's a surprise!"

According to UPI, "Hilton and Kardashian were filming a music video for Hilton's new single 'Best Friend's *ss.'"

And some people weren't too keen on that idea:

And this is not the first time Hilton and West have collaborated.

When Kanye West, Kim's husband, was putting out his clothing line, Yeezy, Hilton played a pivotal role in marketing.

Still, people are unsure how to feel about the collaboration.

We will see if the duo's collaboration receives as mixed of reviews.