Heeeere's Katie!

Katie Holmes hasn't exactly been scarce since she filed for divorce from Tom Cruise in late June -- with the split expedited and finalized last month.

PHOTOS: Katie and Suri's cutest moments together

But the evening of Wednesday, Sept. 5, marked a big milestone for the newly single mom to 6-year-old Suri: In her first official public appearance since one of the most dramatic summers of her life, a polished, serene-looking Holmes, 33, hit the Stage at Lincoln Center in NYC to present an award to Carolina Herrera at the 2012 Design Awards. According to Just Jared, Holmes sat at a table at the fest with fashion personality Joe Zee and Smash actress Katharine McPhee.

PHOTOS: How Katie transformed during her marriage to Tom Cruise

Holmes' Mercedes-Benz Fashion Week appearances have just begun. Next week, her Holmes & Yang fashion line will show its latest line at Lincoln Center.

PHOTOS: Katie and Tom, the way they were

Later this fall, the actress will return to the Broadway stage in the play Dead Accounts. One project not on her to-do list? "She's not dating nor is she interested in dating yet," an insider tells Us. "She's just getting her life together and focusing on her daughter."

This article originally appeared on Usmagazine.com: PIC: Katie Holmes Stuns at First Public Event Since Tom Cruise Divorce