Following her Tuesday afternoon lunch at the Mustard Seed Café in Griffith Park, Rachel Bilson decided it was time for a little bonding with her little sister Hattie.
The two Bilson girls were spotted following a trip to Pinkberry in Studio City, and they looked to be having a marvelous time. And apparently it was a hot day, as the “Jumper” actress opted for a soaking wet t-shirt.