How I Met Your Mother was especially funny because Neil Patrick Harris wore a fat suit.  His fat suit made me laugh so much that I had to share it with you.  Check it out below:

Here are some other memorable celebs donning  fat suits:

Gwyneth Paltrow in Shallow Hal

John Travolta in Hairspray remake

Eddie Murphey in Nutty Professor

Tyra Banks

To see more celebs in fat suits click here.