Megan Fox and Brian Austin green have been dating for something like six years, although there have been some indications that they’ve broken up a couple of times for a few months here and there. Still, Megan has always identified herself as being in a long-term relationship with BAG, although the technical status has always been elusive. I think at this point they’re living together, and previously they’ve been engaged (like back last year around this time, until they broke up for a month or two). Anyway, Us Weekly is claiming that their engagement is back on, although Megan has already lost the ring:

Megan Fox is engaged again, reports the new Us Weekly (on newsstands now). On-again beau Brian Austin Green popped the question to Fox, 24, June 1. But in all the excitement, the happy couple somehow lost the ring, sources tell Us Weekly.

“I saw her jumping up and down,” a witness tells Us Weekly of the beachside proposal at the Four Seasons Hualalai hotel on the Big Island in Hawaii. “Later, I saw a half dozen staff sifting through the sand.”

Alas, the 2-carat sparkler, which the pair picked out together from Excalibur jewelry store in Beverly Hills, remains MIA.

“Security and maintenance staff spent a couple of hours looking for it,” another source tells Us Weekly. “No one found it.”

Green, 36, and Fox began dating in 2004 but called off their previous two-year engagement in February 2009.

[From Us Weekly]

Weird. I guess some superfan didn’t want Megan off the market, so he stole the ring? Or BAG never got her a ring, he just pretended to open a box and then was like, “Oh, no, I lost it!” Well, if they are engaged again, good for them, and congratulations. I think she’s a very insecure woman with a lot to be insecure about, but BAG seems like a decent influence on her, and she seems to be very close to his son. Let’s see if BAG actually gets her down the aisle this time.

Megan and BAG on May 17, 2010 and April 17, 2010. Credit: WENN.