How Old Were Leslie Mann and Zac Efron in 17 Again?

Please subscribe to our newsletter to receive updates from Your Next Shoes. This post may contain affiliate links. Please see our disclosure for more details.

In January 2015, 17 Again actress Leslie Mann and her filmmaker husband Judd Apatow joined Jennifer Aniston at the 2015 Critics’ Choice Movie Awards held at the Hollywood Palladium in Los Angeles.

Leslie Mann at the 2015 Critics’ Choice Movie AwardsLeslie Mann at the 2015 Critics’ Choice Movie Awards held at the Hollywood Palladium in Los Angeles on January 15, 2015 (Credit: Apega / WENN)

The then 42-year-old American actress and comedian donned a gorgeous strapless silver dress from the Reem Acra Spring 2015 collection, toted a Jimmy Choo clutch, and accessorized with Irene Neuwirth jewelry.

6 years earlier, she portrayed Scarlet O’Donnell in the 2009 American fantasy comedy film 17 Again.

Leslie Mann as Scarlet O'Donnell and Nicole Sullivan as Naomi (pronounced "Nay-o-me") in 17 AgainLeslie Mann as Scarlet O’Donnell and Nicole Sullivan as Naomi (pronounced “Nay-o-me”) in 17 Again (Credit: Warner Bros. Pictures)

Starring opposite Zac Efron and Matthew Perry in Burr Steers’ successful comedy that grossed over $125 million worldwide, she played Scarlet as an adult. Allison Miller played the teenaged Scarlet in the opening scene.

Leslie Mann was 37 and Michelle Trachtenberg was 23 when 17 Again was released in April 2009Leslie Mann was 37 and Michelle Trachtenberg was 23 when 17 Again was released in April 2009 (Credit: Warner Bros. Pictures)

Filmed in January 2008, Leslie had just turned 37 when the movie was released in the United States on April 17, 2009. Born on March 26, 1972, in San Francisco, California, she turned 37 on March 26, 2009.

Her co-star Michelle Trachtenberg, who portrayed Margaret Sarah “Maggie” O’Donnell, was 23 when the film premiered and turned 24 on October 11, 2009.

Born on October 18, 1987, in San Luis Obispo, California, Zachary David Alexander Efron turned 22 on October 18, 2009. He was 20 when filming 17 Again in January 2008.

Zac Efron and Leslie Mann in 17 Again, a 2009 American fantasy comedy film directed by Burr SteersZac Efron and Leslie Mann in 17 Again, a 2009 American fantasy comedy film directed by Burr Steers (Credit: Warner Bros. Pictures)

“The first week we were working together he was having stomach pains; he was doubled-over between takes,” Mann told MTV about filming the movie with Zac Efron in January 2008.

“The next day, we found out that his appendix burst. … He went to the hospital and had it taken care of, and he was back at work the next day!”

Actress Leslie Mann arrives at the Los Angeles Premiere "17 Again"Actress Leslie Mann arrives at the Los Angeles Premiere “17 Again” at Grauman’s Chinese Theatre on April 14, 2009, in Hollywood, California (Credit: Nikki Nelson / WENN)

“Zac Efron is hot for my wife! What do I do?” laughed “Knocked Up” director Apatow. His wife Leslie Mann plays Efron’s love interest in the film. “I’m trying to take the heat that he creates with her and take it back to my house.”

Leslie Mann's strapless silver dress from Reem AcraLeslie Mann’s strapless silver dress from Reem Acra (Credit: Brian To / WENN)

To present awards with her husband at the 2015 Critics’ Choice Movie Awards, the Big Daddy actress completed the beautiful ensemble by showing off her sexy feet in multicolored strappy Burak Uyan sandals.

Leslie Mann and her husband Judd ApatowLeslie Mann and her husband Judd Apatow (Credit: FayesVision / WENN)

Do you agree that Leslie Mann was the best dressed of the evening?

Leslie Mann's sexy feet in multicolored strappy Burak Uyan sandalsLeslie Mann’s sexy feet in multicolored strappy Burak Uyan sandals (Credit: Apega / WENN)

Leslie’s Burak Uyan sandals are unfortunately not available online.

Leslie Mann toted a Jimmy Choo clutchLeslie Mann toted a Jimmy Choo clutch (Credit: Apega / WENN)