OK! 25 Days to VMAS: Wait, These Celeb Guests Aren't Musicians!

Before he was judging up-and-coming musicians and hanging out with Heidi on American's Got Talent!, Howie Mandel made a show at the VMAs.

Back in 1988, we had no clue that Robert Downey Jr. was going to be Iron Man. Not a single clue.

Yep, the young Jason Bateman made an appearance in 1988.

Actress Christina Applegate wore this floral frock to the VMAs in 1989.

SJP at the VMAs?! Yep, you're seeing what we're seeing.

Brad Pitt never had a single, but if he wanted to release a little tune, we'd give it a listen.

Funny guy Pauly Shore has attended the VMAs a couple of times.

Believe it or not, that's radio personality Howard Stern.

Here's a gem from the year 2000! Halle Berry showed up at the VMAs.

Blast from the past! Cindy Crawford was once a special guest.

Want to make it a good party? Invite Ben Stiller!

Roseanne Barr attended the famous MTV show.

This is pre-George of the Jungle Brendan Fraser, people.

Jon Stewart is a MTV legend! He used to have his own show on the network, you know.

The Heat star Sandra Bullock wore a lacy outfit to the award show back in 1994.

Getting a vampire vibe from Drew Barrymore? We are!

Why wouldn't MTV invite the most handsome man in the world? George Clooney is just plain gorgeous.

Liv Tyler's dad is a rocker, so she definitely belongs at the show.

Whether she's rockin' a scarlett red suit or a black tank like she did in 2004, Gwyneth Paltrow stands out.

That's a blonde Geena Davis at the VMAs!

Peter Facinelli is the perfect person to invite to the VMAs—you know, in the event that some angry vampires show up.

Rashida Jones owned that leather dress. We hope she makes an appearance again this year!

Last year, Zoe Saldana attended the MTV VMAs in a light pink long-sleeved dress.

Emma's dress is a work of art. It's one of the best VMA outfits we've ever seen.

Swimmer Missy Franklin brought her Olympic Gold Medal to the VMAs. It's the ultimate accessory.

The Fab Five didn't just attend the show—they stood on stage!

Jersey Shore stars always seem to show up on the red carpet. Here's Sammi Giancola at last year's event.

See? We told you! Jersey Shore star Vinny Guadagnino even put on a suit.

Here's hoping that Kim Kardashian and baby North attend this year's show to support Kanye.

Don't be clueless! Paul Rudd was a special guest in 2011.

As far as we're concerned, This Is the End star Seth Rogen is always on the VIP list.

Shh! Russell Brand is making a speech! Who do you think will give the best speech this year?

Do you think little Suri helped Katie pick out those amazing heels? She does know shoes!

Well you can't have VMA show without Snooki!

Fashionista Audrina Patridge wore a metallic mini on the VMA red carpet.

Alright, Alright! We'll stop staring at Efron, but do we have to?

From Laguna Beach to The Hills, LC is a MTV princess.

Skateboarding pro Tony Hawk took to the VMAs in 2005. Tell us you've seen his Cribs episode.

Jessica Alba wore a fitted floral blazer to the VMAs in 2005.

Eva has some killer legs! The celeb showed them off in a draped silver dress in 2005.

Can we borrow that dress, Kirsten? Please?