Nicole Richie: 'Lucky' and Birthday Celebrations!

Nicole Richie attends the celebration of her Lucky Magazine cover at Soho House on Monday (January 10) in West Hollywood, Calif.

The 29-year-old designer tweeted yesterday “I’m so excited! My @luckymagazine cover issue goes on sale tomorrow. Launch party tonight!”

On Tuesday (January 11)Nicole and her husband Joel Madden took their children, Sparrow and birthday girl Harlow out in Hollywood.

Over the weekend, Harlow was treated to a a star-studded birthday party at the Tree House Social Club in Beverly Hills.

FYI: Nicole is wearing an Emilio Pucci dress, House of Harlow shoes, and House of Harlow jewels.

10+ pictures inside of Nicole Richie out and about with her family…