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We're lovin' Rihanna's blown out locks! The 23-year-old "S&M" singer left her New York hotel with her red, straight 'do flowing.

RiRi has been busy filming two upcoming videos ... one for her single "California King Bed" and the other for "Man Down."

The sexy songbird tweeted the following:

    "JAMAICA was the BEST!!!!! #RihannaNavy its a big month for u guys! TWO #MAJAH videos droppin' #whosLOUD. They're both very different! One is #GAWJUS and the other is a MOVIE. RIHquest Mandown and California King Bed on your favorite radio station."


See the photo she tweeted from the video set ... after the jump.