United Kingdom, Jan. 7 -- Bethenny Frankel has launched a foul-mouthed rant defending Tom Brady and Alix Earle's rumoured age-gap relationship.

The Real Housewives of New York star has blasted "legendary, disciplined athlete" Brady, 48, and 25-year-old "successful influencer" Earle's haters, insisting the pair can do what they like because they are "two consenting adults".

Bethenny - who has her own dating service, The Core - said in an Instagram video: "Let me ask you something about Tom Brady and Alix Earle. And it's not, 'Why does anyone care?' Because everyone cares.

"Why aren't they allowed to do what they want to do?

So, they're two consenting adults.

"He is a legendary, disciplined athlete that is respected by his entire commu...