This week music producer Swizz Beatz got into an online skirmish with his baby mama, Russian recording artist Jahna Sebastian, after Jahna objected to Swizz' wife Alicia Keys buying her daughter an iPhone and asking the child to call her Umi [click here if you missed that].
Swizz reacts to Jahna's outburst...
In a cryptic post on Instagram stories Swizz writes Jahna off as being jealous and unhappy.
