Ava Dash is officially a teenager! The 13-year-old celebrated her birthday on Friday, December 7, 2012 with mom Rachel Roy and sister Tallulah,4, by her side.

“Happy Birthday! Love you Ava, baby,” tweeted Roy who gave her daughter a gold hand chain and a trip to the Playing For Keeps movie premiere for her special day.

Rachel and her girls recently returned from vacation where they met up with a few mermaids and had the Disney experience. “With love from paradise. Kick off to the holidays…from a Disney weekend to these mermaids I found on the beach…,” tweeted the designer.

Ava and her sister Tallulah are Rachel and ex-husband Damon Dash’s only children together.

Photos: Instagram