Ellen DeGeneres revealed that attending parties at Jennifer Aniston's home can sometimes be a tricky business due to the secretive nature of celebrity weddings and some stars' habit of putting on a surprise wedding after inviting everyone over for a party. The two joked about Jen's Friends thinking that all of her parties are actually something more when the actress dropped by The Ellen DeGeneres Show for an interview that will air on Tuesday. Jennifer mentioned Isla Fisher and Sacha Baron Cohen had a habit of showing up to all of her fetes in "beautiful Wedding wear" in case the event they show up to turns out to be a surprise wedding. Watch the hilarious interview above and be sure to check out more must-see viral videos.