Rihanna's "American Idol" Performance!

Making her much-awaited appearance on the small screen, Rihanna took the stage for a guest performance on "American Idol" on Thursday night (April 14).The Barbadian singing sensation brought the audience to their feet as she added a bit of sexiness to the FOX show while offering up a rendition of her hit song "California King Bed".

The elimination round showcase was RiRi's second visit to "Idol" - as she previously belted out her tune "Rockstar 101" during the singing competition series just last year.Now set to enjoy a month and a half of free time, the 23-year-old is then lined up to kick off her Loud tour beginning June 4 in Baltimore with Cee-Lo an J.Cole as opening acts.

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