Rihanna and A$AP Rocky once again proved they don’t do anything small when it comes to their kids. The superstar couple went all out to celebrate their son RZA turning four, renting an entire slime-themed museum in New York City for a birthday party that instantly became the talk of the internet.

According to reports, the celebration took place at the Sloomoo Institute, where the venue was completely transformed into a kid-friendly slime playground filled with interactive stations, colorful installations, and the iconic “Sloomoo Falls,” where guests literally get drenched in slime. RZA, along with his siblings Riot and Rocki, enjoyed the immersive experience surrounded by close family and friends.

Rihanna herself fully joined the fun, stepping into the slime zone in protective gear and embracing the messy moment like any proud “mom-of-the-year” would. A$AP Rocky matched the energy in a stylish yet relaxed outfit as the couple stayed close to their children throughout the celebration.

The party featured everything from DIY slime-making activities to a custom-designed birthday cake shaped with a giant “4” and playful slime details, perfectly matching the theme. Videos and photos from the event quickly spread online, showing laughter, chaos, and pure childhood joy at every corner.

What stood out most to fans was how natural and hands-on Rihanna and Rocky were during the celebration, with no red carpet energy, just parents fully present for their son’s big day. It’s another reminder that despite their global fame, family moments like this clearly come first.

From Met Gala-level fashion to slime-covered floors, RZA’s 4th birthday proved one thing: when it comes to Rihanna and A$AP Rocky, even a kid’s party turns into an unforgettable experience.