The former wrestling beauty donned a lovely red dress and chatted with actress/TV host Carly Steel for the ritzy event.
Meanwhile, Miss Graham showed off her goods in a stunning black maxi as she hobnobbed with her co-star Paul and enjoyed the fun-filled festivities.
In related news, fans of the vampire series are in luck if they're looking to score one of Bonnie’s costumes.
During the CW show’s recent prom episode, Kat’s character dons a lovely navy prom dress from Theia, which is available for purchase in stores.
Costume designer Leigh Leverett told EW that in this episode Bonnie, “does a lot of walking around, with purpose, so we wanted it to be really pretty