So many stars mingled in fashionable bliss at the launch of Max Mara‘s pop-up boutique in Soho on Tuesday (September 12).

The event was attended by the likes of Katie Holmes, Dianna Agron, Keri Russell and Lucy Hale.

Each of them showed off their own unique sense of style and modeled pieces from Max Mara or Sportmax.

Keep reading to find out more…

Other stars on the guestlist included Karen Blanchard, Jessica Wang, Lana Condor, Tina Leung, Meredith Duxbury, Jenna Lyons with her son Beckett, Emma Brooks, Elizabeth Sulcer, Mia Moretti, Ashleigh Murray and Charlott Cordes. We’ve got photos of everyone in the gallery!

Katie just recently made another fashionable outing to attend a launch party for Madewell during New York Fashion Week. We’ve got pics from it here!

FYI: Katie, Keri, Lana, Jessica, Meredith, Elizabeth and Mia are wearing Max Mara. Lucy, Tina, Jenna and Dianna are wearing Sportmax.

Scroll through all of the photos from the star-studded event in the gallery…