Sienna Miller and Lucas Zwirner
The actress and her beau arrive for the wedding ceremony.
Emma Stone
The actress arrives for her BFF's wedding.
Kris Jenner
The Keeping Up With the Kardashians star dazzles in a long-sleeve dress that features a jewel-adorned design.
Corey Gamble
Kris Jenner's boyfriend heads to the rehearsal dinner.
Sienna Miller and Lucas Zwirner
The couple waits to take a boat to the rehearsal dinner on the private Rose Island in Newport, Rhode Island.
Adele
Hello from J.Law's rehearsal dinner! The British singer and BFF to the bride arrives to the festivities in a royal blue coat.
Cameron Diaz, Joel Madden & Nicole Richie
The A-list actress is joined by her brother and sister-in-law for the Rhode Island clambake.
Cameron Diaz, Joel Madden, Nicole Richie & Adele
Jennifer and Cooke's wedding is already proving to be quite the star-studded affair. A source tells E! News that Bradley Cooper is also on the guest list.
Kris Jenner
Everyone's favorite mom-ager makes her entrance in a fur coat. She and Jen have developed quite the friendship over the years, so it's no wonder Kris would come to support.
Jennifer Lawrence
Here comes the bride! The Oscar winner is spotted leaving New York City before boarding a private jet with Cooke to Rhode Island. "They looked relaxed and excited to be there. They both had big smiles on their faces as they got off the jet," an eyewitness told E! News.