A source says, "He proposed on her birthday [April 22]. They're not announcing it until the end of the year, but she and Johnny are now on the hunt for a vintage one-of-a-kind ring. She gave him an ultimatum, no woman wants to be someone's dirty secret. A few months ago she took off to Paris and started dating French model Marie de Villepin. He offered her everything, even marriage, to come back. That was exactly what Amber wanted - for the world to know they're together and for Johnny to put a ring on it. She's had a crush on him since she was a teenager, so this is a dream come true!"