R&B Singer Sean Kingston in Critical Condition After Jet Ski Accident

R&B star Sean Kingston is in critical condition after a horrific Jet Ski accident in Miami.

Kingston was seen driving in South Beach in his silver Rolls-Royce convertible just before the accident, when he crashed into a bridge.

Serena Williams was spotted going into the hospital to visit Kingston.

Meantime, his good friend Justin Bieber tweeted: "I will continue to pray and support my friend."