Zach told host Andy Cohen, "No matter where I go now, people bring up Harry Styles. I was just leaving 30 Rock today and people were like 'say hi to Harry for me.' My whole life now is that I'm friends with Harry Styles."
Hey, don't go complaining, Zach. That's a pretty magical place to be. Also, if definitely gave a boost getting the word out about his new movie, Wish I Was Here. Zach explained how his and Harry's paths crossed: "I just met Harry through mutual friends and he's he's a super-nice guy and he was cool enough to come to Sundance and see our movie. Then he tweeted out that he cried during the movie...and then it went viral...it was the best press we ever had."
When Andy joked, "How long did you guys date?" Well...erm...Zach got a little bit dirty.
Zach even tweeted today: "Girls, it's @Harry_Styles , I took Zachs phone cause he's still sleeping in my arms like an angel. Please go see @WIWHFilm this weekend." Zach's definitely using the bromance in his favor!