Offset has a message about Cardi B's new baby... but it's not "congrats." The Walk It Talk It rapper doesn't seem to buy Stefon Diggs as the father of his estranged wife's brand new baby - at least that's what he hinted at on social media! Over the weekend, Offset took to his Instagram Story to post and quickly delete an ominous message that read: "My kid lol" Related: Pete Davidson's GF Elsie Hewitt Reveals In 'Absolute Agony' Amid Pregnancy (c) Offset/Instagram UMMM?! As we know, Cardi recently welcomed her fourth child - her first with Patriots wide receiver Stefon after filing for divorce...