Katherine McNamara Celebrates 19th Birthday With 90s Nintendo Bash!

Katherine McNamara heads back to the 1990s with her 19th birthday party held at Siren Studios Penthouse in Hollywood on Saturday night (November 15).

The 18-year-old Happyland actress will turn 19 next week and invited all her celeb friends to celebrate early!

“The besties! Thanks so much for surprising me and making tonight so special! @NintendoAmerica #FlashbackBirthdayBash,” Kat wrote after the event.

Katherine‘s Happyland co-stars Bianca Santos, Ryan Rottman and Camille Guaty, Sarah Hyland, Nolan Gould, Joel Courtney and more were on hand to help her celebrate.

Stay tuned for even more pics!

20+ pics inside of Katherine McNamara…