Justin Bieber praises 'beautiful' mother

Pop star Justin Bieber thinks his single mother Pattie Mallette's inner strength makes her the most beautiful woman he knows.

The 19-year-old has paid tribute to his mother Mallette, who raised the singer with the help of her mother and stepfather after splitting from his father Jeremy Bieber, reports contactmusic.com.

When asked who is the most beautiful person he knows, the 19-year-old star said: ''My mother - she has sacrificed everything to raise me and help me get to where I am today."

''She has always put her family first and I think that is so beautiful.Beauty comes from within. For me, it's about being a kind person who cares about the world around you," he added.