Olivia Holt, Kelli Berglund, Paris Berelec
M celebrated Kelli Berglund's 19th birthday with pics of her super famous circle of friends and now, those famous BFFs proved they're the best friends ever and threw Kelli a surprise bday party!
Who was there? Tons of your favorite celebs like Karan Brar, Olivia Holt, Joey Bragg, and more! And get this: There was even a photo booth involved. You know what that means, M Girls: tons of birthday selfies! ;)
Click through the gallery to see your fave stars' personal pics from Kelli Berglund's surprise birthday party, then tell us in the comments below: Have your friends ever thrown you a surprise party?