Kim Kardashian isn’t wasting any time when it comes expanding her family-of-five with hubby Kanye West!<br /><br />RadarOnline.com has exclusively learned the Keeping up with the Kardashians star is desperately searching for a new surrogate to carry twins for her – just one week after the birth of their baby daughter, Chicago West!<br /><br />“Kim is hyper-focused when it comes to planning her future and, as of right now, they want to have a set of twins in 2018,” a source close to the 37-year-old beauty said, adding, “The sooner the better!”<br /><br />It’s a new addiction for them and they are convinced that the more kids they have the more they will grow as individuals.”<br /><br />“They were really hoping for twins this time around but it wasn’t to be with this particular surrogate,” the source told Radar.<br /><br />“But that hasn’t put them off at all and Kim is telling everyone that all she needs is a couple months with Chicago before she gets going on babies number four and five.”<br /><br />surrogate who carried Chicago. According to the source, they are hoping to use Haynes again to expand their family.<br /><br />Do you think that Kim Kardashian should already be trying for twins? Sound off in the comments below.<br /><br />We pay for juicy info! Do you have a story for RadarOnline.com? Email us at tips@radaronline.com, or call us at (866) ON-RADAR (667-2327) any time, day or night.