Rihanna and Justin Bieber Send Prayers for Injured Sean Kingston

As soon as news broke that Sean Kingston was severely injured in a jet ski crash in Miami Beach, Florida, some of his celebrity friends took to Twitter to share their thoughts. Rihanna, Justin Bieber and Nicki Minaj were among the first to send prayers for the Reggae-fusion singer's speedy recovery. Riri simply tweeted, "Sean we praying for u baby," while...