Check out Vanessa Marano‘s N0H8 portrait, provided exclusively to JustJaredJr.com.

The 18-year-old actress and her former Lemon Lima costars/pals Meaghan Martin and Shayne Topp joined the campaign which is a direct response to the passage of Proposition 8 — the California bill that amended the state Constitution to ban same-sex marriage.

PHOTOS: Check out the latest pics of Vanessa Marano

Vanessa just recently booked a guest starring role on ABC’s Grey’s Anatomy.

According to THR, she’ll play a patient in an upcoming episode that’s scheduled to air in late April.