Flour Bombs And Wardrobe Mishaps! The 20 Biggest Celebrity Bloopers

Kanye West experienced extreme embarrassment went he walked into a street sign and majorly bumped his head – and the incident was caught on camera!

Legends of the fall! Salma Hayek took a major misstep while leaving her Paris hotel in 2011.

Jennifer Lawrence took a major spill when she was walking up to accept her Academy Awards at the Oscar’s this year, after tripping on her gorgeous Dior gown.

Flour doesn’t go with this outfit! Kim Kardashian got flour-bombed at a red carpet event in 2012, while promoting her fragrance True Reflection.

Nicole Richie lost her balance walking down a flight of stairs outside Brody Jenner’s house in 2006.

Oops! Zac Efron dropped a condom on the red carpet at the premiere of animated movie The Lorax.

Ouch! Penelope Cruz took a major spill on the set of The Counselor in Spain.

Robert Pattinson was caught with his fly down on the red carpet in 2012.

Tan Mom Patricia Krentcil took a major tumble and exposed herself on the red carpet of her roast at a New York nightclub.

Justin Bieber’s fans got an up close and personal viewing of the pop star, when he threw up on the stage during a 2012 show in Phoenix, which he attributed to milk not doing a body good!

Tara Reid’s boob exposure act at the artist formally known as P. Diddy’s party back in 2004 was one of the worst wardrobe malfunctions of all times, and the American Pie star will never live it down!

Watch out for that wind! Khloe Kardashian revealed her Spanx when a gust blew up her dress.

Paris Hilton was so preoccupied with partying in her Halloween costume, that she tripped and took a tumble outside of a Los Angeles nightclub.

Hopefully she was picking a winner! Rosie O’Donnell was busted with a finger up her nose, in this super embarrassing snap.

Zac Efron was caught with his hands down his pants during a trip down under.

Ashley Benson had trouble walking in heels, while leaving the Chateau Marmont in Los Angeles.

Lindsay Lohan infamously ended up face planting in a cactus during a night on the town in 2010.

Paz de la Huerta made a serious name for herself at the 2011 Golden Globes, where she not only exposed her breast from her torn dress, but also took a major spill that was caught on camera.

Tina Fey was caught copping a feel – of herself – with a band-aid on her face at The American Museum of Natural History Gala.

Katy Perry was caught lip-locking Rihanna’s shoulder at the 2012 MTV Video Music Awards.