Nicole Richie & Katherine Schwarzenegger Are Boss Ladies!

Nicole Richie strikes a pose before speaking at the Westfield x Who What Wear Presents: Boss Notes event held at Westfield Topanga on Saturday (April 2) in Woodland Hills, Calif.

The 34-year-old fashion designer was joined by author/blogger Katherine Schwarzenegger, as well as the co-founders of Who What Wear, Katherine Power and Hillary Kerr.

Katherine‘s mom Maria Shriver also made an appearance.

“So excited to visit @westfieldtop this Saturday to join @whowhatwear for a fun #bossnotes panel on ‘How to Balance it All,’” Nicole tweeted.

FYI: Nicole is wearing Levi’s jeans.

20+ pictures inside of Nicole Richie and Katherine Schwarznegger at the event….