Raffaella Fico, Balotelli's ex and soon-to-be-baby-mama shows off her baby bump

Seen my swelly belly, Balotelli?

Looking swell ... Raffaella Fico

MUM-to-be Raffaella Fico gives soccer star ex Mario Ballotelli tum-thing to think about — as she shows off her bump on a catwalk.

The Italian model, 24, paraded in a bikini at Milan Fashion Week while six months pregnant.

So in love ... Mario Balotelli with Raffaella Fico before split

She says the Man City ace, 22, — whom she split up with in April — was at first thrilled over the tot.

But they are at war after he asked for a DNA test and she accused him of pestering her with abusive calls.

This could grow into the mother of all battles — and no kidding...

Testing times ... City's Super Mario wants DNA test