Sofia Richie puts on a VERY cheeky display as she flashes her derrière on the beach in Santa Barbara

Simon Cowell's partner Lauren Silverman hits the beach with his ex Terri Seymour after his accident

Camila Coelho flaunts her gym-honed abs in a tiny black bikini as she enjoys the beach in Malibu

Wilmer Valderrama shows off guns in white t-shirt with fiancée Amanda Pacheco at Santa Monica beach