Lionel Hahn/Abaca/Startraks
January 24, 2014 10:30 AM

Hilary Duff looked every part a rock star as she kicked off Grammy weekend in L.A.

The star was all smiles Thursday night, her first red-carpet appearance since announcing that she and husband Mike Comrie have decided to separate.

Duff, 26, flaunted her toned gams in a burgundy-and-blue minidress as she walked the carpet solo at Delta Airlines’s Grammy Weekend party at Soho House, topping her look with a sharp, asymmetrically cut black blazer and bold lips.

On Jan. 10, Duff announced that she and her hockey-pro husband, 33, were calling it quits after three years of marriage, and Duff’s rep told PEOPLE the couple “have mutually decided [upon] an amicable separation. … They remain best friends and will continue to be in each other’s lives.”

Duff and Comrie have a 21-month-old son, Luca, and Duff’s rep added that the couple “are dedicated to loving and parenting their amazing son.”

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