Ashlee Simpson) at the wedding of her close friend and former assistant Lauren Zelman - who was tying the knot with Reaper actor Bret Harrison.
One for the album: Jessica and Ashlee Simpson were bridesmaids to bride Lauren Zelman and groom Brett Harrison. Photo: Flynet Pictures
(Also spot groomsman Adam Brody on the far left, he of The OC/Scream 4 fame.)
It's a very brave bride that includes very famous celebrities in their wedding party. Not that we're suggesting that she was at all upstaged in any way...
Check out Jessica doing a 'Demi Moore' and baring all (plus bump) for the cover of Elle.
See our pick of Jessica's top ten style moments here: