Pink discussed the track on social media, admitting she loved recording with her daughter.
She said in an Instagram video: "So we all know this year has been different and challenging and, at times, terrifying and tumultuous and angsty and all the things.
"I personally find comfort in music. I find comfort in song. I love singing with my daughter.
"It made us feel happy. So we're going to put it out for no other reason than that we hope that the song makes you feel happy. I thought we'd put it out around Valentine's Day as a big ol' hug and a kiss from us to all of y'all."
Pink and other members of her close family were diagnosed with coronavirus during the early stages of the pandemic, and at the time, she urged people to take the virus seriously.
She explained: "I got it the second-worst [out of my family]; I'm 40, I have asthma and I'm fit as a fiddle. It's not just affecting people over 65."