Pink has urged mothers to "give themselves and each other a break".
The 'Just Give Me A Reason' hitmaker - who has Willow, six, and Jameson, 12 months - recalled a teary meeting with another mother, where the fan praised her for giving her "strength" with her parenting as she isn't worried about messing up in public.
Taking to Twitter, Pink wrote: "A really sweet Mama came up 2me tonight at the grocery store and told me some nice words about how she gets strength from my parenting cause I'm not afraid to f**k up in public. We cried together. It's so hard. Y'all. I wish us mamas could give ourselves and each other a break. (sic)"
Meanwhile, the 38-year-old singer previously insisted she won't label her children's gender after her daughter Willow expressed a desire to marry an African woman.
She said: "We are a very label-less household. Last week Willow told me she is going to marry an African woman. I was like, 'Great, can you teach me how to make African food?' And she's like, 'Sure mama, and we are going to live with you while our house is getting ready.' I was like, 'What the f**k, who are you? Who is paying for this by the way?'"
And Pink - who has her two children with her husband Carey Hart - is pleased that the term 'gender neutral' is becoming more widely accepted.
She added: "I was in a school and the bathroom outside the kindergarten said, 'Gender Neutral - anybody', and it was a drawing of many different shapes. I took a picture of it and I wrote, 'Progress'. I thought that was awesome. I love that kids are having this conversation."