Rihanna Cancels Houston Concert Due to "Illness"

Rihanna Cancels Houston Concert Due to

Disappointing her hopeful Texas fans, Rihanna cancelled her show in Houston on Monday (April 15).

Live Nation announced that the show will not go on “as a result of illness,” but told fans to keep their tickets for a later date.

Though an avid Tweeter, her Twitter account was silent on the matter, with Monday”s comments being only birthday wishes to her brother and a message of support for the Boston Marathon victims.

Back in March, the 24-year-old singer missed two dates on her Diamonds World Tour because of laryngitis.