There was slime everywhere, and Rihanna gleefully dived right into it. To celebrate her son, RZA's fourth birthday, Rihanna ...

Rihanna and A$AP Rocky reportedly rented out an entire slime themed museum to host their eldest son's birthday party. Check out videos from the event.

Rihanna and A$AP Rocky celebrate son RZA’s fourth birthday at New York’s Sloomoo Institute with slime attractions, family, ...

Rihanna and ASAP Rocky are celebrating their eldest son RZA's special day in the most “epic” way. ​The Diamond hitmaker and ...

The couple celebrated son RZA turning four with an unforgettable slime-filled party in New York City. See details.

The couple celebrated son RZA turning four with an unforgettable slime-filled party in New York City. See details.

Photos from the celebration show the "Umbrella" singer in head-to-toe plastic while standing under a slime-filled waterfall ...

Hip-hop legend and anime fanatic RZA has a short list of anime that everyone should watch — and it goes far deeper than the ...

Rihanna and A$AP Rocky went all out for their son RZA’s 4th birthday, throwing an over-the-top celebration at the Sloomoo ...

Rihanna and Rocky arrived with all three children, dressed in coordinated neutral outfits. See the latest pics of our ...

The kids spent time exploring the different slime vats and creating their own custom blends at the DIY bar,” an inside source ...

The sixth annual ceremony, which previously announced it's recognizing Tyler Perry with its Innovator Award, also adds RZA and Kirk Franklin.