Jennifer Lopez and Ben Affleck's star-studded inner circle will likely be front and center at the star couple's three-day wedding extravaganza. Affleck's famous pal Matt Damon was pictured arriving for the wedding with his wife, Luciana Barroso, on Friday. It's been reported that Jimmy Kimmel will also attend as well as Affleck's younger brother, fellow actor Casey Affleck. However, Casey was pictured out and about in Los Angeles ahead of his sibling's wedding. On the bride's side, JLo's best friend, actress Leah Remini, will also reportedly be in attendance.