CHICAGO, Illinois -- Lollapalooza 2014 has come and gone, and while some memories from this last weekend will fade over time, there are a few moments from this three-day extravaganza that can never be forgotten ... even if you tried.
Whether it be in the form of a surprise performance, an amazing cover, or a festival-goer just wilin' out, some of this sh-- can't be see anywhere but here. So MTV News took it upon ourselves to gather some of our favorites. Enjoy!
1. Eminem And Rihanna On Stage Together

That is, of course, until the Monster Tour.
2. Kings Of Leon Covering Robyn
The band closed down the festival singing "Dancing On My Own" during their set for the first time in concert.
3. Festival Goers Using Porta Potties As Shelter From The Rain

A downpour of rain didn't stop any attendees who either embraced the waterworks, or chilled out in the Honey Buckets for a bit.
4. A Tickle Bug Outbreak
In addition to taking in some shows this weekend, one festival goer spent her time at Lolla infecting people with the Tickle Bug.
5. Feline Fashion Making Its Festival Debut

Kitty clothing was the cat's meow this festival season.
6. Lorde Laying Around Lolla
Sometimes a girl just needs a break.
7. Andre 3000's Lollapalooza Message

OutKast has performed at more than 20 festivals this summer and at almost every show Andre 3000 has rocked the same coveralls with different text each set. For Lollapalooza it read: "across cultures, darker people suffer most. why?"
8. Toothless Ryan Gosling

9. Chance The Rapper And Big Boi Backstage
Festival friends!
10. Men Flipping Out For Vic Mensa
Literally.
11. Someone Break Dancing To Lorde
Or attempting to break dance. #LordeOfTheDance
12. Treetop Selfies During Iggy Azalea's Set

Yup, this girl climbed a tree to snap a photo of ... herself. Not the "Fancy" rapper.