Jennifer Aniston Turns 45, Has Not Aged Since 1995

Attending a party at New York's CoCo Opera restaurant. (Reuters)

Posing at the Los Angeles premiere of their film "Friends with Money" in Hollywood. (Reuters)

Walking with her award for favorite female movie star at the 33rd annual People's Choice Awards in Los Angeles. (Reuters)

Posing at the premiere of the movie "Marley & Me" at the Mann Village theatre in Westwood, California. (Reuters)

Attending the 81st Academy Awards in Hollywood. (Reuters)

Attending the British Premiere of "The Bounty Hunter" in Leicester Square. (Reuters)

Waving at the 21st annual Glamour Magazine Women of the Year award ceremony in New York. (Reuters)

Greeting fans in Hollywood. (Reuters)

Attending the "Life of Crime" news conference at the 38th Toronto International Film Festival. (Reuters)

Posing for photographers as she arrives for the premiere of the film, "Meet Joe Black," in New York. (Reuters)

Posing with date, actor Brad Pitt, at the 51st Annual Emmy Awards in Los Angeles. PHOTOS: Brad Pitt Turns 50, Looks Like He Did In 1993 (Reuters)

Arriving with fiance Brad Pitt for the premiere of "Erin Brockovich" in Los Angeles. (Reuters)

Attending the 27th annual People's Choice Awards in Pasadena. (Reuters)

Arriving at NBC studios in New York with actress Courteney Cox for the network's 75th anniversary show. (Reuters)

Smiling backstage at the 29th Annual People's Choice Awards in Pasadena. (Reuters)

Attending the 61st annual Golden Globe Awards in Beverly Hills. (Reuters)

At Paris Las Vegas Hotel during ShoWest. (Reuters)