It's such a bummer these two can't get along!
The confidante went on to explain:
[Image via WENN.]
Too much romance for you, Chris??? We're sure RiRi understands!
The BFFs raced and joked around as they zipped through the island's streets.
He looks mighty happy! We wonder if he chowed down on some of leftover marijuana birthday cake??! LOLz.
[Image via FameFlynet Pictures.]