Posted on Fri Feb 11th, 2011 11:12am PDT By X17 Staff
Samantha Ronson is holding up her hands to prove she's NOT the one engaged. It's her brother, DJ and producer Mark Ronson, who is tying the knot.
Mark, 35, is marrying French model Josephine De La Baume whom he's been dating since March 2009.
SamRo and her bro celebrated the engagement at Bardot Nightclub in Hollywood. The stunning bride-to-be showed off her sparkler in the pages of Purple Magazine.
Wonder if Samantha will be a bridesmaid?
See which actress Mark was engaged to ... after the jump.
SEE THE GALLERY Samantha and Mark Ronson Party Together In Hollywood
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