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Nicole Richie Steals The Spotlight From Sister Sofia In This Sexy Lace Dress

The fashion designer isn't bothered by her sibling’s new romance with Scott Disick.

Nicole Richie stepped out in New York City Thursday morning, looking gorgeous in a tricolor black, blue, and yellow sexy lace dress. The fashion designer, 36, is making the rounds in Manhattan promoting Urban Decay’s new “sex-proof” mascara, Troublemaker. From The Today Show to The Tonight Show with Jimmy Fallon, the former Simple Life star has been keeping busy in the city that never sleeps. In fact, Nicole’s been so preoccupied that she’s yet to make one comment about her 19-year-old sister Sofia’s relationship with Scott Disick, who’s 34! Clearly, Nicole has bigger things to worry about! Click through to see Nicole’s sexy look.

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