The 19-year-old Hunger Games actor (in Z Zegna) was presented with the Vanguard Award at the event for his work with the anti-bullying campaign Straight But Not Narrow.
Josh is the youngest Vanguard award winner – congrats!
Also hitting up the event was Joshua Jackson.
Other winners from the evening include Chaz Bono, whose film Becoming Chaz, which chronicled Chaz‘s transition from female to male, won outstanding documentary.
FYI: Ali is wearing a Zac Posen dress with David Yurman jewelry.