Nicky Hilton and Kevin Connolly Kaput

US magazine is reporting that after a two-year romance, Nicky Hilton, the conservative sister of Paris, and Kevin Connolly have broken up. A Hilton rep has confirmed it. Hilton, 23, and Connolly, 32, an actor on HBO's Entourage, started dating back in 2004. One of Nicky's friends says that Kevin's rumored infidelity was the cause of the break-up.

Photo from US Magazine