Ashlee Simpson: "It's A Big Diamond.. I Can't Believe It's On My Hand!"

Ashlee Simpson chatted with on Ryan Seacrest on his KIIS-FM radio show Thursday about her engagement to Pete Wentz:

"I didn't know I'd be getting married right now, but I'm so happy to be! I'm a lucky girl."

On her new rock:

"It's definitely a big diamond! I go, 'Oh, my God, I can't believe its on my hand!' My mom loves Pete, so does my dad!"

On whether she will be drinking alcohol on her trip to NYC:

"Who knows? Maybe."