Ex-con former first son Hunter Biden may have to shell out more in child support to his former stripper baby mama, given his alleged lavish lifestyle featuring gourmet food and a mountain home with ocean views. An Arkansas judge Thursday ordered Biden, a 56-year-old dad of five, to turn over his tax records and other financials and sit for a grilling under oath by lawyers for Lunden Roberts — with whom he shares 7-year-old daughter Navy Joan Roberts. Hunter Biden has four other children with his wife and ex-wife. The ruling came as part of Roberts’ bid to have Biden start coughing up more than the $5,000 a month he currently pays her in support, since his “style of living is higher than it was previously,” Roberts’ lawyer, Clint Lancaster, argued during a video hearing, according to a transcript obtained by The Post. Neither Roberts, 34, nor Biden were present for the oral arguments.…