CELEBRITY BIRTHDAYS (10/4/11): Susan Sarandon - 65 She may have won her Oscar for playing a nun in "Dead Man Walking" but to me she'll always be Janet in "The Rocky Horror Picture Show".

Watch: "Sweet Transvestite" scene from "The Rocky Horror Picture Show" ...

--Alicia Silverstone - 35 “Clueless” Vegan hottie. Batgirl in Batman & Robin. "The Aerosmith chick" ...

True Dat Fact: Her appearances in the Aerosmith videos "Cryin'", "Amazing" and "Crazy" not only got her the part in "Clueless", they also earned her the nickname "the Aerosmith chick"! True Dat!!! Look it up!

--Liev Schreiber - 44 He's Sabretooth in "X-Men Origins: Wolverine", and Naomi Watts’ baby daddy …

--Rachael Leigh Cook - 32 Best known for her role as the geek-turned-prom queen in "She's All That" and her 'This is Your Brain on Drugs' public service announcement ...

Watch: Rachael show you what your brain is like on heroin ...

--Christoph Waltz - 55 He won the Best Supporting Actor Oscar for playing the villainous Hans Landa in "Inglourious Basterds". His next role is playing the evil Cardinal Richelieu in the "Three Musketeers" remake coming out at the end of this month …

Watch: "Three Musketeers" movie trailer ...