Katy Perry has admitted that her partying days are behind her now that she is a mother and said she finds the idea of being hungover in front of her daughter "shameful".
The singer, 39, shares three-year-old daughter Daisy Dove with fiancé Orlando Bloom.
Speaking at the final show of her debut Las Vegas residency at the weekend, she explained: "I was crazy in my twenties but now I have a toddler who wakes me up at 6.30 whether I am hungover or not.
"It's shameful to be hungover with your kids. I just hear, 'Wake up mum let's watch Minions'.
"Now I am 39, if I drink more than two drinks then the next day... bad times. I am reevaluating my whole life the next day."
She went on to share her respect for artists like Pink who regularly take their young children on the road with them.
According to The Sun, she told the crowd: "I have never done a tour or a show before being a mother and I want to say I now have a new found respect for all the mums out there who do it.
"They are raising kids, taking them to preschool, doing the sandwiches and partying. You guys are rock stars. I am so glad I joined you."
The Fireworks hit-maker then dedicated a song to her daughter, who was sat in the audience alongside Bloom.
"My next song is Daisy - this is your favourite song," the proud mother told her daughter.
"We play it all the way to preschool. I love you so much. You're my best friend and I am so glad you're here."