The reality TV star took to the waves off the coast of California to stage a boat party for basketball ace Harden's 26th birthday on Tuesday night (25Aug15).

The event featured a midnight fireworks display lasting 15 minutes, but the celebration prompted several complaints to the U.S. Coast Guard and the L.A. County Sheriff's Department from local residents annoyed about noise levels, according to

L.A. County Supervisor Don Knabe has now vowed to investigate the issue and examine whether officials need to strengthen local laws surrounding noise levels off the coast.