Jay-Z is concerned for the health of Rihanna

According to the magazine 'Look', Jay-Z is concerned for the health of her little protected, the Barbados beauty Rihanna, because according to him, the singer worked too much and neglects his physical well-being! Fears of rapper Empire State of Mind 'would have started when the star Rihanna has insisted on continuing rehearsals Grammy (February 13) BRIT Awards and two awards ceremonies musical, so she had a bronchitis and laryngitis, in addition to his marathon promotional album 'Loud'.