Tinkling Tatum.<\/p>\n
Amanda Seyfried is revealing a surprising \u2014\u00a0and gross \u2014 prank Channing Tatum pulled on her while filming their 2010 romance \u201cDear John.\u201d<\/p>\n
\u201cHe peed on my leg once without me knowing,\u201d Seyfried told\u00a0Deadline<\/a>\u00a0of Tatum, 45, on Thursday. \u201cHe peed on my leg on the beach. And I didn\u2019t realize at first and then I was like, \u2018Oh that\u2019s why he\u2019s standing so close to me. What the..?\u2019\u201d<\/p>\n Channing Tatum, Amanda Seyfried in \u201cDear John.\u201d \u00a9Screen Gems\/Courtesy Everett Collection<\/p>\n Tatum\u2019s joke almost cost someone else their morning joe.<\/p>\n \u201cThere was a coffee cup very close by, and a little bit got in the coffee cup and he ran away,\u201d Seyfried shared. \u201cAs I was screaming and one of the makeup artists picked it up and was about to drink it and I saved her.\u201d<\/p>\n But the\u00a0\u201cHousemaid\u201d\u00a0star has nothing but fond memories of her time on set. <\/p>\n Channing Tatum and Amanda Seyfried in a scene from the 2010 romance movie. \u00a9Screen Gems\/Courtesy Everett Collection<\/p>\n Amanda Seyfried, Channing Tatum in a beach scene. \u00a9Screen Gems\/Courtesy Everett Collection<\/p>\n \u201cIt just goes to show the relationship that I had with Channing Tatum in\u00a0\u2018Dear John,\u2019\u201d Seyfried added to the outlet. \u201cHe and I effed with each other the entire movie in like a super, super fun way. He\u2019s very, very funny and we had a great\u00a0time.\u201d<\/p>\n \u201cDear John\u201d was based on the Nicholas Sparks\u00a0book and followed the romance between a soldier named John Tyree (Tatum) and college student Savannah (Seyfried).<\/p>\n In 2021, Seyfried took to social media to share behind-the-scenes photos from the pair\u2019s time on location. <\/p>\n Amanda Seyfried, Channing Tatum at the Los Angeles Premiere \u201cDear John\u201d in 2010. FilmMagic<\/p>\n The black-and-white shots showed the co-stars making funny faces, with the \u201cMean Girls\u201d actress captioning her post: \u201c#tbt DEAR JOHN.\u201d<\/p>\n In 2015, Seyfried dubbed Tatum her \u201cfavorite co-star thus far.\u201d<\/p>\n \u201cChanning and I have a very similar set behavior,\u201d she gushed to E! News<\/a> at the time. \u201cWe don\u2019t take anything too seriously, but we\u2019re shooting a movie that\u2019s very heavy, all about love and romance. It\u2019s a tear-jerker, so we just like to play around.\u201d <\/p>\n The \u201cDear John\u201d premiere in London on March 30, 2010. Gamma-Rapho via Getty Images<\/p>\n Amanda Seyfried and Channing Tatum attend Meet the Actors at the Apple Store Soho on February 4, 2010. WireImage<\/p>\n Seyfried became a household name in 2004 thanks to the cult classic film \u201cMean Girls.\u201d<\/p>\n The \u201cLong Bright River\u201d alum starred in the movie alongside Lindsay Lohan, Rachel McAdams and Lacey Chabert.<\/p>\n In June, Seyfried revealed she has a bone to pick over \u201cMean Girls\u201d merch.<\/a> <\/p>\n Channing Tatum, Derek Cianfrance, Amanda Seyfried at the Golden Globes Cocktail Party during the 2025 BFI London Film Festival on Oct. 12, 2025. Penske Media via Getty Images<\/p>\n \u201cI love it,\u201d she told\u00a0her \u201cJennifer\u2019s Body\u201d co-star Adam Brody during\u00a0Variety\u2019s Actors on Actors<\/a> series at the time. \u201cI really love seeing my face on people\u2019s T-shirts. I\u2019m a little resentful because\u00a0Paramount\u00a0still owes me some money.\u201d<\/p>\n \u201cEvery store sells \u2018Mean Girls\u2019 T-shirts with our faces, photographs!\u201d Seyfried continued. \u201cDon\u2019t I [get something from that]?\u201d<\/p>\n The Emmy winner wondered if she allowed it to happen \u201cbecause I was 17 and dumb?\u201d <\/p>\n Channing Tatum in \u201cMagic Mike.\u201d \u00a9Warner Bros\/Courtesy Everett Collection<\/p>\n \u201cUgh. I love it. Even the girl at TSA tells me it\u2019s her favorite movie. And I\u2019m like, \u2018Great, I was 17. I had nothing to do with it.\u2019\u201d<\/p>\n Tatum, meanwhile, shot to stardom in films like \u201cStep Up,\u201d \u201c21 Jump Street\u201d and \u201cMagic Mike.\u201d<\/p>\n