picture – Rochelle lunched with JLS

At last, it’s official! JLS hunk Marvin Humes and The Saturdays’ Rochelle Wiseman are pop’s hottest new couple after they were seen leaving London’s posh Ivy restaurant following a romantic date last week. After a messy split with her footballer boyfriend Darren Randolph a few months ago, Rochelle, 20, swore off dating to live a…