BTS' leader Kim Namjoon, aka RM, is celebrating his 31st birthday today. Fans have flooded social media with wishes for the rapper, and his fellow band members have also joined in. RM took to social media to share glimpses of his celebration. He revealed that he has coloured his hair blonde and posted a photo of a purple cake decorated with toppings and candles. He also shared a mirror selfie with a thank-you note written on it, expressing his gratitude to fans. The official BTS account also shared a birthday post featuring a creative collage with the rapper's photos, which he later reposted.