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
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Also at Monday's That Awkward Moment premiere in L.A.: Taylor Swift and Jessica Szohr, who share a "moment" of their own.
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