Alexa started modeling at 5 months old and by the time she was 6 months old, she booked her first commercial (GAP) and appeared on the cover of Parents magazine. She appeared on the cover of American Baby the following month. She has done lots of print work and at the age of 3 years old, she landed her first role in the movie "Bella" playing the role of Lucinda (2006), then a month later, she landed the role of Nicolas Cage's youngest daughter, Erin McLoughlin, in the Oliver Stone film "World Trade Center" (2006). Alexa filmed the Oliver Stone movie in New York and California.

Alexa enjoys ice skating, gymnastics, her tap dance and ballet class and loves to sing.