Spice Girl Mel B really didn't know what she was getting into when joining Bear Grylls on Running Wild.
Running Wild with Bear Grylls sees the legendary survivalist take unsuspecting celebs on expeditions to remote locations across the globe.
Singer and former X Factor judge Mel B appears in an upcoming episode of the show, which airs on the Discovery channel here in the UK.
During filming, the pair were hunting for jelly fish before Bear was stung on the hand.
Mel recalled how in films "if someone gets stung by a jellyfish you have to pee on them," and asked Bear: "Do you need me to pee on you?"
In pain and 'all out urine' himself, Bear told cameras: "Mel's kindly offered two or three times to provide some urine. I'm actually getting to the stage where I'm going to take her up on this offer."
And he eventually did just that, as Mel pulled down her pants to try and relieve Bear.
"To pee on demand, when someone's in pain, is very difficult," she reflected.
Mel then told Bear: "There you go. Don't say I don't do anything for you."
Bear reacted: "Mel B, she saved my life, it still stings, but it's better."
Running Wild with Bear Grylls airs on the Discovery Channel at 9PM on Wednesdays.