The Simpson girls aired their differences during a sisterly meal at the Ivy in L.A. Jessica wore a glamorous Rozae Nichols dress that she accessorized with a Fendi bag and shoes by Azzedine Alaïa. Ashlee topped off a pair of Lanvin boots with a fashion-forward Katy Rodriquez pinafore dress and a Marc Jacobs purse.

CELEBRITY: Ashlee Simpson

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Jessica and Ashlee Simpson

Jessica Simpson in Rozae Nichols and Azzedine Alaïa, carrying Fendi and Ashlee Simpson in Katy Rodriquez and Lanvin, carrying Marc Jacobs