When we heard that Britney was taking a break from the tabloid headlines and doing a guest appearance on one of our favorite comedies of all time, "How I Met Your Mother," we were pretty stoked. All the Britney hoopla should bring in enough viewers to get "Mother" off of CBS' endangered series list. (Cross your fingers!) Brit's one night stand on the show got us reminiscing about all of the other great guest stars that have appeared on the show. Click through this slideshow to see the stellar list of peeps we've met on "How I Met Your Mother."
HIMYM Guest Stars Gallery
The stellar list of peeps we've met on "How I Met Your Mother."