Tori Spelling proudly parades her bikini body at 51 after finally revealing the REAL reason for the

Tori Spelling showed her ex Dean McDermott what he's missing as she hit the beach rocking a bikini in Malibu on Tuesday. The Beverly Hills 90210 alum, 51 - who filed for divorce from Dean, 57, after 18 years of marriage in March - flaunted her incredible physique in a neon two-piece as she frolicked in the surf and sands of the upscale coastal town. The stunning actress turned heads in her barely-there bathing suit as her sculpted abs were on full display.