20 pics of Erin Heatherton showed off her "Pink Bikini" curves in Hawaii

Yet judging from the scenes in which girlfriend Erin Heatherton, 23, appears totally besotted with her 37-year-old beau, it's unlikely Leo will be taking the weight gain to heart.
Her taut stomach was on show in her skimpy spaghetti string pink bikini as she displayed her 5ft 11in frame in all its sunkissed glory.

Letting yourself go? The blonde supermodel showed off the very reason she secured a role as a Victoria's Secret Angel (Read more and See more Pictures)