PICTURE EXCLUSIVE: Jesy Nelson teases a glimpse of her abs in a bikini top as she steps out in LA

Jesy Nelson ignores Little Mix 'swipe' as she returns to social media

Jesy Nelson confidently flashes her abs in a bra top - after ex-bandmate Leigh-Anne Pinnock's 'jibe'

Jesy Nelson brushes off ex-bandmate Leigh-Anne Pinnock's swipe with sexy snap