Why Jennifer Lawrence pees on herself

Jennifer Lawrence's blue X-Men suit forced her to pee through a funnel. / Getty Images

Oscar-winning actress Jennifer Lawrence’s blue X-Men bodysuit smelled like urine because she had to use a funnel to go to the toilet.

The Hunger Games actress plays Raven Darkholme, who turns into the blue-bodied shape-shifting mutant Mystique, for the third time in the upcoming X-Men: Apocalypse, and her blue costume didn't make it easy for her to go to the bathroom.

Jennifer had to go to the toilet standing up with a funnel while shooting Mystique scenes, and she had trouble relieving herself accurately with the contraption so she ended up with urine "drips" on her costume, leading to a distinct smell.

​"I have to pee on myself every time I have to go to the bathroom," she told BBC Radio 1 DJ Greg James on Thursday. "I don't have to pee on myself but I have to pee out of a funnel standing up because the people who made the suit are like, 'She doesn't go to the bathroom - she's a girl!'... I can't sit down so I have to stand and I have to pee out of a funnel, and I just can never get it right."

To become Mystique, Jennifer also has to wear a lot of blue paint, and she recently revealed the most effective method of removing it was shaving cream, which turned off her then-boyfriend, British actor Nicholas Hoult. The pair dated until 2014.

"It's really good for taking paint off, but Nick used to hate it 'cause I'd come home smelling like a man," Jennifer told news show Extra. "And (I was always) too tired. I'd be like, 'Don't touch, me, I'm too tired', and he'd be like, 'Well, you smell like a dude'."

X-Men: Apocalypse hits New Zealand theaters May 19. 

In Theaters - May 27, 2016