Channing and Jenna Tatum met while filming Step Up, and they celebrated the movie's 10th anniversary by recreating the movie's most memorable dance move: the one where she jumps like Jennifer Grey in Dirty Dancing into his arms and he holds her aloft, like he's showing her off to someone in a low-flying plane.

We had to. #stepup10years

A post shared by Jenna Dewan Tatum (@jennadewan) on

Jenna's caption on Instagram reads: "We had to. #stepup10years," probably meaning they thought it would be appropriate and not that they were contractually obligated or anything.