Aimee Teegarden chats it up with Oceana executive director Andrew Sharpless as they arrive at the 2011 Oceana SeaChange summer party held at Villa di Songhi on Saturday night (October 1) in Laguna Beach, Calif.

The 21-year-old actress joined Diane Lane and Josh Brolin, the night’s honorees, in benefiting OCEANA to help bring back the sea’s bounty for ourselves and our children.

PHOTOS: Check out the latest pics of Aimee Teegarden

Aimee, wearing the “Jonas Crystal Dress” in black from Alice + Olivia by Stacey Bendet, tweeted, “On my way to the @Oceana seachange event !! So excited to bring awareness to a great cause :)”

10+ pics inside…