Leonardo DiCaprio Slicks His Hair Back for Oceana's SeaChange Summer Party 2014

Leonardo DiCaprio suits up with sneakers to attend Oceana’s 2014 SeaChange Summer Party on Saturday (August 16) in Laguna Beach, Calif.

The 39-year-old actor was joined by The Fault in Our Stars actress Laura Dern, Ray Donovan‘s Austin Nichols, and Glee‘s Jenna Ushkowitz.

PHOTOS: Check out the latest pics of Leonardo DiCaprio

The seventh annual event included a world-class auction and cocktail reception, followed by a gourmet seated dinner and exciting live auction and program.

The day before, Leo was spotted keeping it super casual in a white v-neck while heading to lunch in Beverly Hills.

FYI: Jenna is wearing a Raoul dress, Henry J. Sillam jewels, and YSL shoes.

15+ pictures inside of Leonardo DiCaprio, Laura Dern, and more at the benefit…