Katy Perry
CelebrityButts
original: redgifs.com/watch/MediocreEssentialBison
Margot Robbie
Vanessa Hudgens
Claire Gerhardstein
Lady Gaga
Alexis Ren
Zahia Dehar
Katy workout GIF
Nikki Bella - Jiggle
Sara Jean Underwood
Emma Roberts
Emily Ratajkowski
Kristen Bell Dance
Kristen Stewart - Clouds of Sils Maria (2014) (x-post /r/Celebs/)
Emma Stone
Salma Hayek working it
Natalie Portman sunbathing [from "Planetarium"]
Jessica Biel's Great Booty
Krysten Ritter - Gravity
Sara Underwood
Shakira
Dani Thorne
Salma Hayek
This GIF of Lady Gaga's extremely round and gorgeous butt in action...
