Did NSYNC ever avoid the Backstreet Boys? Lance Bass tells all (Exclusive)

Having been in show business for over two decades now, Lance Bass has had his fair share of notable encounters with other celebrities.

Between his days as one-fifth of NSYNC around the turn of the millennium when all of pop music's biggest acts would go in and out of MTV's "TRL" on a daily basis (think: run-ins with rival boy band the Backstreet Boys) to more recently befriending former "Real Housewives of Beverly Hills" stalwart, Lisa Vanderpump, Bass has more than a few fun stories to tell.

SEE ALSO: Lance Bass reacts to NSYNC's wildest red carpet moments from over the years

Recently, while promoting his Bookable Changing Rooms initiative with TJ Maxx, the former boy bander took a trip down memory lane with In The Know, sharing some of his funniest, sweetest and wildest celebrity run-ins from over the years.

Watch the video at the top of the page to hear about his relationships with the likes of Britney Spears, Paris Hilton and more!