A special congratulations is in order for Selena Gomez and her family! Late last night Selena's mom Mandy gave birth to a little girl, fulfilling the 20-year-old singer's longtime wish of becoming a big sister.

As soon as Demi Lovato heard the news she excitedly tweeted:

demi lovato tweet

Bella Thorne joined in on the congratulations as well!

bella thorne tweet

We're positive Sel is going to make the best big sister ever — remember how good she was with Justin Bieber's baby brother and sister, Jaxon and Jazmyn?

Leave your congratulations for her in the comments below!

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