LOS ANGELES, Mar 1, 2011/ — We’re not finished yet with all the celebrity sightings from the Oscar weekend. This time we have Madonna, her daughter Lourdes Leon who attended the Vanity Fair party.

Lourdes Leon wore an AllSaints Aztec Mini Dress (due in stores this March) and the Ovid Shoe to the Vanity Fair post-Oscar’s party.

Her fashion savvy mom, Madonna wore a creation by Italian designer Francesco Scognamiglio. With this choice, the pop star once again consolidates her delight in Scognamiglio’s design.

Scognamiglio created for Madonna a long robe in lace with silk satin ruffles, black mourmanski vest and sleeves speckled in Swarowski crystals, from the Pre Fall 2011/Winter 2012 collection.

Of course, Madonna also loves accessorizing and this time she chose Loree Rodkin’s 18K White Gold with Black Rhodium Solid Pave White Rose Cut Diamond Bondage Ring

Still at the Vanity Fair Oscar Party, actress Joan Collins dazzled on the red carpet in a lilac and lavender, Swarovski encrusted couture gown by Georges Hobeika.

Actress Juliette Lewis looks gorgeous in Georges Hobeika as she arrives at the Vanity Fair Oscar party. Lewis wore a strapless midnight blue Georges Hobeika Couture gown with jewel encrusted sash on the waist.

Brooklyn Decker looked stunning wearing a dress from new designer Joy Cioci while attending the 2011 Vanity Fair Oscar Party. Joy Cioci launched her debut collection for Fall 2011 with a presentation during New York Fashion Week.

Earlier during the evening, Access Hollywood celebrity reporter, Maria Menounos wore Johanna Johnson at the 83rd Annual Academy Awards. Menounos looks elegant and chic in Johanna Johnson’s Velvet Duvessa gothic gown in rich, black velvet, featuring Neil Lane diamonds in the single sleeve.

Earlier during the week, Brittany Snow wore camilla and marc’s “bow and arrow” frock during her appearance at the “Beastly” Los Angeles Premiere held at The Grove on February 24, 2011 in Los Angeles, California.