The former Page 3 girl and her pooch Di-Oh-Gi were hell bent on making their derrieres the focus of attention as they played around in the sea and wandered on the sand.
Leilani donned a strapless bikini top and tight-fitting seaside hot pants for her day in the sun in Southern California.
The glamour model – star of US reality show Tough Love: Miami – cut a sizzling figure as she showed off her toned, slender physique and flowing locks.
At one point, Bournemouth babe Leilani, 32, appeared to check up on her peachy rear after being splattered by a crashing wave.
Bum deal ... Leilani Dowding and her dog
Her bottom stole the show as she walked her furry friend, courtesy of her eye-popping beach garment that exposed a good deal of her buttocks.
Leilani’s dog took it one step further, giving onlookers a full-on view of the mutt’s butt.
The pretty pin-up is a vocal opponent of cosmetic surgery, choosing instead to spend hours in the gym to stay in shape.
And all her gruelling sessions on the treadmill are clearly paying off, judging by her athletic figure.
Life's a beach ... Leilani Dowding