Tara Reid’s big break came in 1998’s The Big Lebowski, but she achieved international fame with American Pie. The actress, pictured at the first American Pie premiere in 1999, American Pie 2 in 2001, and American Reunion in 2012,opted out of American Wedding so she could focus on other ill-fated films. From 2001 until 2012, Tara grabbed headlines mostly for her hard-partying antics, volatile relationships and plastic surgery disasters.

Seann William Scott’s breakout role was in American Pie playing the popular character Steve Stifler, which he reprised in all four of the films. The actor, who went on to appear in several films since, did a stint in rehab in 2011 and recently revealed that he is engaged to be married.

Shannon Elizabeth modeled for several years before she was cast as the naked exchange student in American Pie in 1999. That same year, she posed naked for Playboy and gained fame for being sexy. Also appearing in American Pie 2, she went on nab small roles in a bunch of minor movie while focusing on her “second career” as a celebrity poker player. She also appeared on Dancing with the Stars and dated her partner Derek Hough.

Jason Biggs was a child star before American Pie made him a household name in 1999. Appearing in all four of the films, the actor has grown up, gotten married and starred in a slew of popular films.

Becoming famous overnight in 1999’s Election, American Pie confirmed Chris Klein’s star status. The actor started dating Katie Holmes in 2000, bringing her to the American Pie 2 premiere. The couple, who got engaged in December 2003, split up in 2005 and shortly after she was spotted smooching Tom Cruise. The actor has suffered some box office busts in recent years, and was arrested twice for drunk driving before checking into rehab in 2010. He is back for American Reunion.

Thomas Ian Nicholas was a child star before American Pie and has appeared in all four of the films. Though his success in movies has been limited, he is also a musician and has released two albums.