Popular sitcom Friends recently completed 25 years of its premiere. The show had a successful run for over a decade and the characters, Rachel Green, Monica Geller, Phoebe Buffay, Joey Tribbiani, Chandler Bing, and Ross Geller became a household name. But did you that actress Jennifer Aniston who essayed the role of Rachel was forced to drop 30 pounds (14kg) in order to land her career launching role on Friends. In a new book released as part of the 25th anniversary of the iconic series, "Generation Friends: An Inside Look at the Show That Defined a Television Era", author Saul Austerlitz said Aniston was asked to slim down significantly in order to portray Rachel Green, reports aceshowbiz.com.