Selena Gomez: 'Hotel Transylvania' Press Day

Selena Gomez debuts her new auburn locks during press day for Hotel Transylvania held at Sony Pictures Animation on Monday (June 25) in Culver City, Calif.

At the event, the 19-year old actress celebrated the 118th birthday of her character in the animated flick, Mavis, with a huge cake!

PHOTOS: Check out the latest pics of Selena Gomez

“Hotel Transylvania trailer airing tonight on ET at 7:00pm!!!!” Selena tweeted. “So excited for you guys to see this movie it is so good.”

10+ pictures inside of Selena Gomez…