Zac Efron  and Vanessa Hudgens  were together in LA last night for the inaugural Estrellas Por la Vida Gala benefiting St. Jude's Children's Hospital. The couple posed together on the multicolored carpet before heading inside, where they bonded with a few young patients. Zac and Vanessa presented an award to their High School Musical  director Kenny Ortega, who was honored for his extensive charity work . Vanessa and Zac clean up nicely for fancy events, but the duo also look adorable when they go casual for low-key afternoons .
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