She's had 5 boyfriends. I'm sure she dated some guys while single, but she's only referred to 5 guys as her boyfriend. Two guys before she was famous, David, Graham, and Brandon.
She dated David in 2004 for 3 months before the Breakaway album was released. The story goes he dumped her and that same day he proposed to his ex-girlfriend... that he was still seeing while dating Kelly. David's still married to that girl and they have 3 daughters now.
She dated Graham for 6/7 months summer 2005 - ended early 2006. This time around she dumped him, because she didn't have time for a relationship. They're still on good terms though. He got married like 2 years ago.
And now she's engaged to Brandon
