2013 White House Correspondents’ Assn. dinner fashion highlights

Olivia Wilde, with Jason Sudeikis, left, and Paul Rudd, in a Valentino dress and Cathy Waterman jewelry.  (Michael Loccisano / Getty Images for Time, Inc)

First Lady Michelle Obama in a dress by L.A. designer Monique Lhuillier.   (Brendan Smialowski / AFP / Getty Images )

Kate Walsh in a dress by Carolina Herrera, heels by Giuseppe Zanotti and Norman Silverman jewels.  (Dimitrios Kambouris / Getty Images)

Sophia Bush in a gown by from designer Lela Rose’s Spring 2013 collection.   (Dimitrios Kambouris / Getty Images)

Emily Mortimer in a red Oscar de la Renta dress, Christian Louboutin shoes, a Judith Leiber clutch and Kwiat jewelry.   (Evan Agostini / iInvisionAP)

Kate Mara in Prada.   (Evan Agostini / iInvisionAP)

Claire Danes in Prada.   (Evan Agostini / InvisionAP)