The 26-year-old Immortals and Twilight star hosted the bash, which was also attended by his girlfriend, Sharni Vinson, Jenny McCarthy, Jamie-Lynn Sigler, DWTS‘ Val and Maksim Chmerkovskiy, and Lance Bass.
“[Sharni is a] happy person, which really just clicks with me,” he added. “It’s great to have someone you smile with all the time. It’s special.”
FYI: Kellan is wearing an otter striped crewneck sweater in rainbow and navy pants both by Jack Spade.