Nicole Richie & Rachel Zoe Attend Katherine Power's Wedding

Nicole Richie and fellow fashionista, celebrity stylist Rachel Zoe, attend the wedding reception of fashion critic Katherine Power on Saturday (June 25) at Mr. Chow’s in Beverly Hills, Calif.

Katherine, who is the co-founder and creative director of WhoWhatWear.com, married her boyfriend Justin Coit at a Los Angeles registry office earlier in the day.

Nicole was joined by her husband Joel Madden while Rachel was joined by her husband Rodger Berman.

“Congratulations to the new married couple Mr. & Mrs. Coit! @justincoit @KatherinePower,” Nicole tweeted the next day.

10+ pictures inside of Nicole Richie and Rachel Zoe at the wedding…