Duff smiles wide while hanging out with her little guy, Luca, in Beverly Hills. Plus: Zac Efron, Justin Bieber & more!
Credit: Eric Charbonneau/Invision/AP
Published: Tuesday Jan 28, 2014 | 07:00 PM EST
More from PEOPLE
See More News
6 of 17
Also at Monday's That Awkward Moment premiere in L.A.: Taylor Swift and Jessica Szohr, who share a "moment" of their own.
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.