Who is Willow Sage Hart, the name on Pink‘s upcoming song? Why, she’s the punk pop star’s nine-year-old daughter whom Pink shares with husband Carey Hart. Willow has teamed up with her famous mom to release an uplifting and original song, “Cover Me In Sunshine,” dropping this Friday, Feb. 11. The song — which Pink shared a snippet of in the tweet below — goes to show that Willow is following in the footsteps of her Grammy-winning mom.