The Big Little Lies star, 41, rocked a floral white sundress while posing with her 17-year-old daughter, Ava Phillippe. Ava supported her mom’s fashion company in a floor-length blue and white checkered dress.
“No better way to celebrate the @DraperJames X @Netaporter collaboration than with my nearest and dearest!!” Witherspoon captioned a series of photos from the event on Instagram.
Other stars in attendance included Jennifer Garner, Chelsea Handler, Ali Larter, Camila Alves, Rachel Zoe, and Monique Lhuillier.