'Love has no borders,' the crowd gathered outside Trump Tower chanted.
Aerosmith, Backstreet Boys, Usher, Pink, more also play all-day benefit show.
Al Qaeda conspirator will not have possibility of parole.
'X-Men' sequel making largest global release, opening in nearly 100 markets.
Outdoor show raises money for families of New York police, firefighters killed in attacks.
Kiss' Paul Stanley needs hip surgery, Jagger has previous commitments.
Ricky Martin, Bon Jovi, Santana also confirmed for event to aid attack victims.