Bradley Cooper, Gigi Hadid, Lena Dunham, Adam Sandler, Selena Gomez, Jack Antonoff, Rachel Antonoff, Abigail Anderson, Ashley Avignone, Erin Andrews, Charissa Thompson, Aric Jones, Ross Travis, Greg Olsen, Amanda Santa, Robert Allen, Tree Paine seen at Infosys Theater at Madison Square Garden for Rehearsal Dinner