Did you know that Ariana Grande and Jennette McCurdy have the same birthday?
The Sam & Cat stars are both born on June 26, although Jennette is 21 and a year older than 20 year-old Ariana.
Their cast mates and crew threw them a party on the set of their show, complete with amazing birthday cakes!
Here's Ariana with her cake:

Jennette joins in the party!