On Saturday April 2, Justin Bieber had a special surprise for his mom’s birthday! He surprised her with a birthday cake at the end of the show, concerto at Berlin’s O2 World arena.

But as she leaned over the cake to blow out the candles, a few strands of her hair caught on fire! Later Justin tweeted, “sick show in Berlin…brought @studiomama on stage 2 sing her happy bday but she lit her hair on fogo with the candles. lol. i saved her.” Watch the surprise!

Justin is such a sweet son! What’s the best surprise you have given your parents for their birthday? Let us know in the comments below!