Each month we'll post a gallery that shows every star who has a birthday coming up — so if your special day comes later in the winter (like Justin Bieber), in the spring (like Austin Mahone) in the summer (like Ariana Grande and Jennette McCurdy), or in the fall (like Zendaya) stay tuned!
If you were born in September, can you guess which stars you share your birthday month with? Niall Horan, Cameron Dallas, Zendaya, and more! There's only one way to find out if any of these famous Sept. babies share the same b'day as you...
Click through M's roundup of September birthdays to check out which stars blow out birthday candles this month. Do you share a bday with a celeb? Tell us in the comments!