Top 21 Hilarious Celebrity Photobombs

18. Dave Grohl

At the 2005 MTV Awards, Nick Lachey and Jessica Simpson had no idea that their sweet photo was getting a big infusion of rock. Rocker Dave Grohl cannot help but add some fire to their picture by putting on his angriest face while off to the side. It hard to even care that Jessica and Nick are in the photo when you have such an epic photobomb from a legendary rocker.