Hosted by Glee's Jane Lynch, the benefit concert served to support the UN's Free & Equal campaign.
Jane Lynch will host the benefit, which also stars Sting and Patti LuPone.
The Broadway casts of Wicked and Once have joined the star-studded lineup of performers.
Patti LuPone and Sting are on the roster of performers for the LGBTI event.
McDonald stars in Lanie Robertson's drama at the Circle in the Square Theatre.