Geri Halliwell wants a baby with her dancer boyfriend.The former Spice Girl - who already has two-year-old daughter Bluebell Madonna with British scriptwriter Sacha Gervasi - is keen to have a child with Ivan 'Flipz' Velez, but is reportedly prepared to be a single mother again if their relationship ends.A source said: "She wants a second child soon and says that if she falls pregnant with Flipz then it wouldn't be a problem."At the moment they are besotted with each other and Flipz is keen on having a child with her."Geri, who began dating Flipz after he worked as a backing dancer on the Spice Girls reunion tour, is confident her beau will make a great father because he has bonded so well with Bluebell.The source added: "He wants to be a permanent fixture in her life and Geri loves the fact he gets on so well with Bluebell. She's got a perfect family unit and a baby would be the icing on the cake."