Wellington, April 23 : Katy Perry has admitted that she panted like "a dog" while her sister was in labour .

The ' Roar' hitmaker, who had earlier tweeted about delivering a baby in a living room, said on Jimmy Kimmel Live that she is an assistant doula and that's what they called her all the time, Stuff. co. nz reported.

The 29-year-old singer said that they had a midwife and there was a tub in the living room, and she was holding a leg, and panting like a dog, while making "primal noises". (ANI)