But, an abrupt break-up put an end to their seeming synergy.
“I want to wish Katherine nothing but the best in her life,” wrote Sixx on his website after their breakup.
Jesse James' new girlfriend, Kat Von D, once said she'd like to be remembered as "a good friend to everyone." But if that's what she wants, she may have a long way to go, Oliver Peck--who owns Elm Street Tattoo in Dallas and was married to Kat from 2003 to 2007--tells In Touch in an exclusive interview.
"She's the most self-centered person I've ever been involved with," he shares.
You know what they say, the best relationships start off as friendships! As we reported, the two were popping up on each other's Instagram pages as of late — so we were pretty sure it was going down between these two lovebirds!