The best thing about going to a high school reunion, is seeing how everyone’s lives -- and looks -- have drastically changed!

When American Pie hit movie theatres in 1999, the cast of young actors was thrust into the public eye becoming international stars overnight.

Reese Witherspoon is one of the most celebrated actresses of our time. With an Academy Award and numerous blockbuster films to her name, the actress, who turns 35-years-old on Tuesday, has grown up gracefully in the public eye. In celebration of her birthday (and her impending nuptials to super agent Jim Toth) RadarOnline.com is honoring the ageless beauty with a special photo feature.

PHOTOS: Reese Witherspoon Over The Years

From the very beginning, it was clear that Reese was destined for success. In 1990, the 14-year-old attended a casting call for The Man In the Moon, hoping to snag a bit part in the bigscreen feature, but instead, scored the lead opposite Jason London.  Her critically acclaimed performance transformed the girl next door into a rising young Hollywood star, and she continued to build up her resume with such teen targeted films as Freeway, Fear and Pleasantville.

Jennifer Aniston is not only celebrating the release of her latest blockbuster film, Just Go With It on Friday -- it is also the former Friend’s 42nd birthday!  RadarOnline.com is honoring the sexy star on this special day, with a special photo feature highlighting her life over the years.

PHOTOS: Jennifer Aniston Through The Years

In 1990 Jennifer Aniston was trying to make a name for herself in Hollywood, landing small roles in television shows like Ferris Bueller and Molly, but it wasn’t until her breakout television role in 1995, that the beautiful star skyrocketed to international stardom.

PHOTOS: Jennifer’s Bikini Body Over The Years