Nicole Richie has lived quite the life ... The reality star landed a role in the NBC comedy "Chuck" and appeared in two episodes. It wasn't all about work for the new mom, though.

Nicole Richie Reflects on Falling Out with Paris Hilton in Their 20s: 'Not the Best Moments' (Exclusive) Paris Hilton and Nicole Richie Say Turning 'Sanasa' Song into an Opera Started as a 'Joke ...