Mark Ruffalo has starred in dozens of movies, but when it comes to fan favorites, one stands out the most. “People fell in love” with 13 Going on 30, he recently told PEOPLE.

Mark Ruffalo and Jennifer Garner gave 13 Going on 30 fans a treat when they reunited for his Hollywood Walk of Fame ceremony on Thursday - and even recreated their iconic Thriller dance.

20 years have flown by since audiences first fell in love with the charming tale of 13 Going on 30, led by the dynamic duo of Jennifer Garner and Mark Ruffalo.

Mark Ruffalo said he spent hours trying to learn the "Thriller" dance for "13 Going on 30." While promoting "The Adam Project," Ruffalo and Jennifer Garner were asked to reflect on the scene.

13 Going on 30 was one of the most beloved movies of the early 2000s. Now, nearly 16 years after its release, its lead stars Mark Ruffalo and Jennifer Garner have reunited.

Mark Ruffalo, Jennifer Garner, and Judy Greer joined forces on Instagram Tuesday to celebrate the 20th anniversary of their movie “13 Going on 30.” In the short clip, posted jointly to the ...

Mark Ruffalo and Shawn Levy | Dia Dipasupil/FilmMagic Directed by the late Gary Winick, 13 Going on 30 stars Garner as Jenna, a 13-year-old girl who dreams of being popular.

Mark Ruffalo has starred in dozens of movies, but when it comes to fan favorites, one stands out the most. “People fell in love” with 13 Going on 30, he recently told PEOPLE.

Mark Ruffalo was honored with a star on the Hollywood Walk of Fame on Thursday, with his "13 Going on 30" co-star Jennifer Garner paying tribute to her longtime pal with a hilarious and heartfelt ...

Speaking to PEOPLE in April, Garner, 52, named that scene as the one she thinks about most as well. “The night that Mark and I shot in Brooklyn, looking back at Manhattan, the Razzle night,” she said ...

Jennifer Garner dished on her favorite memory from “13 Going on 30” while promoting her new film “ Yes Day,” and to many fans’ surprise, she revealed Mark Ruffalo almost quit the film.