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 音乐会 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 显示 in Berlin…brought @studiomama on stage 2 sing her happy bday but she lit her hair on 火, 消防 with the candles. lol. i saved her.” Watch the surprise!

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