Liam Hemsworth and Miley Cyrus
08/22/2011 AT 10:00 AM EDT
Three's not a crowd when Thor is involved! Chris Hemsworth
was spotted grabbing a bite to eat at M Street Kitchen, one of his favorite new restaurants
, in Santa Monica, Calif., with younger brother Liam Hemsworth and his on-again girlfriend Miley Cyrus
. Dining on the patio, the trio enjoyed the rainbow and miso salmon sushi rolls, grilled fish tacos and shredded spinach salad.