British pop star Jj Hamblett is adding a new addition to his band Union J - he's set to become a dad. The 25 year old singer, who shot to fame on Britain's The X Factor last year (12), has announced his girlfriend Caterina Lopez is pregnant. Taking to Twitter.com, he writes, "Guys I want you to be the first to know that I've got some big news... I'm going to be a daddy "My girlfriend and I are super super excited and the boys cant wait to be uncles! They are already thinking of names beginning with J." His bandmate Josh Cuthbert added his congratulations, tweeting, "SUPER DOOOPER WOOOOPER HAPPY FOR MY BROTHER JJ. hi my names Uncle Josh. Love you bro."