Under the watchful eye of festival co-founder Robert De Niro, comedy and music icons walked the Beacon Theatre’s red carpet prior to the world premiere of the Saturday Night Live documentary “Live From New York!” Tickets to April 15’s Tribeca Film Festival 2015 Opening Night Gala were in short supply. Comped, we presume, were these SNL cast members as well as rapper/actor Chris “Ludacris” Bridges, who performed a concert following the screening. Also pictured: the massive Spring Studios event facility and a crowd outside of Chelsea’s SVA Theater.