Los Angeles , California ( CNN ) -- `` Transformers '' actress Megan Fox said `` yes '' to ex-fiance Brian Austin Green 's marriage proposal , just four months after calling off a two-year engagement with Green , her publicist confirmed . Fox , 24 , was so excited when Green , 36 , popped the question on a Hawaii beach that she dropped the 2-carat diamond engagement ring into the sand , Us Weekly magazine reported . Despite a lengthy search by hotel staffers , the ring was never found , the magazine reported . Fox and Green began dating six years ago and became engaged for the first time in 2007 . They broke it off last February . Marriage may be easier for Fox now that she 's out of the `` Transformers '' franchise . Director Michael Bay announced this month that she is being replaced as Shia LaBeouf 's love interest by model-actress Rosie Huntington-Whiteley for `` Transformers 3 . '' Fox portrayed Mikaela Banes in the first `` Transformers '' and its sequel `` Transformers : Revenge of the Fallen . '' Green spent a decade playing David Silver on the hit TV series `` Beverly Hills , 90210 '' until it was canceled in 2000 . CNN 's Brittany Kaplan contributed to this report .
Megan Fox engaged again to Brian Austin Green . Diamond ring was lost on Hawaiian beach . Fox and Green relationship started in 2004 . Couple 's first engagement ended in February .