how old is bieber?
<answer> Bieber is 23 years old. <context> Justin Bieber and Selena Gomez Reunite at Her House According to our original source, Gomez, 25, is in a good place in her life -- to the point where she is able to see her ex, 23-year-old Bieber, without any issues. The source says she's also got a whole new outlook on life after undergoing a kidney transplant over the summer due to her Lupus.