BROOKLYN The worlds of fashion and music collided at the Fashion Rocks show held in Brooklyn. The semi-annual event brought out cutting edge designers and music legends. Performances by Rita Ora, Jennifer Hudson, Usher and a booty inspired number by Jennifer Lopez highlighted the event. But the most infamous moment of the night may have came when Justin Bieber stripped down to his Calvin’s in an attempt to win the crowd over. NEW YORK Britney Spears hosted an exclusive unveiling of her new signature sleepwear, The Intimate Britney Spears. Rocsi Diaz and Eric West were on hand to take in the sexy fashion show. Afterwards, Britney spoke about her labor of love. :06:57 Britney Spears: This is something…I have :07:05 Dakota Fanning, Naomi Campbell and Rita Ora are just some of the celebs making their way into Fashion Week. Here’s a sneak peak at next year’s trends. Fashion Montage HOLLYWOOD In Hollywood, Sons of Anarchy star Katey Sagal was honored with the unveiling of her star on the Hollywood Walk of Fame. Current and former co-stars were on hand to help celebrate with Sagal who spoke about the honor. :04:23 Katey Sagal: I’m not much…is awesome. :04:34 That’s all for now. We’ll be back tomorrow with more celebrity news and sightings.