"I think you're fun. I glad I had you," says Pink.
She then cues her daughter to begin singing, which the child does admirably.
Later in the video, the Get The Party Started songstress takes over the mic and records her own version of the song for the forthcoming album, The Greatest Showman: Reimagined.
Willow is the daughter of Pink and her husband Carey Hart.
The 43-year-old is a former professional freestyle motocross competitor and a current off road truck racer.
The pair also share one-year-old son Jameson Moon, was born in December 2016.
The Who Knew singer was in Auckland last month for the New Zealand leg of her world tour.
Earlier in the year she was forced to reschedule her concerts in Australia after falling ill.
She was admitted to Sydney's St. Vincent's Hospital for dehydration and stayed overnight after being diagnosed with gastroenteritis.