Justin Bieber's Pants Are Falling Down! Fill In The Blank!

While on his way to Las Vegas for the Floyd Mayweather Jr. fight, it seems that Justin Bieber was too busy to put his pants on properly!

And that is seriously dangerous considering he had to walk into the boxing match with Floyd for his big moment!

But since he managed to do so without waddling, we’re guessing he realized this look was _________________!

[Image via Instagram.]