Speculation is rife that Nicole Kidman and fellow Australian country singer Keith Urban are engaged. The couple were spotted walking arm-in-arm down a street in Boston, and there was a ring on Nicole’s wedding finger. Nicole’s publicist has claimed no knowledge of an engagement, "I have not spoken to Nicole about it … I cannot tell you either way." However Keith’s publicist has confirmed the rumor, "Right now it’s just a rumor. When and if there’s a statement we’ll make that public." Nicole and Keith have been spotted together frequently this year, but have not announced their relationship publicly. Nicole is divorced from Tom Cruise and the couple have two children, Isabella, 12, and Connor, 10.