The controversial model showcased her svelte physique in a minuscule black bra and skintight leather trousers, adding a touch of Western glamour with a pair of white boots and a black cowboy hat.
Her outspoken partner opted for a more conservative look in a black t-shirt and plain black pants.
Imogen's post comes in response to claims the couple were "ready to tell everyone [their relationship] was over when all this drama started", the drama referring to Kyle's recent clashes with his co-host Jackie O Henderson.
Industry sources say the shock jock is not focused on his career and has become "too demanding" at the studio, and newly single mum Jackie - who parted ways with her husband of 15 years Lee Henderson in October last year - doesn't want to get caught in the crossfire of bad press.
“Kyle is all about Kyle, chucking tantrums and making unrealistic demands. He is difficult to work with and she finds it hard when he is rude to staff,” claims the source.